Arthur and Guinevere

"Just... Live for me, Arthur, that's all I ask right now."

- Gwen to Arthur Arthur and Guinevere were friends and love interests. They cared very little for one another at the start of the series, as Gwen believed Arthur to be an arrogant bully and Arthur barely seemed to be aware that Gwen existed. As time went on, however, they grew to be friends and eventually fell in love. Though their courtship was complicated by their differing social classes (and later by interference from Morgana), they were ultimately married in the final episode of series 4.

First Impressions
"Who'd want to marry Arthur?"

- Gwen to Merlin

There was little interaction between Arthur and Guinevere at the start of the series, mostly because their differing social classes gave them no reason to do so. Gwen was known to have a rather low opinion of Arthur at this time. She believed him to be an arrogant bully, and couldn't imagine anyone wanting to marry him (The Dragon's Call).

Arthur, on the other hand, had no discernible opinion on Gwen at all and treated her no differently than he would any other average citizen. When her father mysteriously recovered from a plague that nobody else had survived, Arthur thought nothing of searching her house and, after discovering a magic poultice beneath her father's pillow, did not hesitate to arrest her.

That said, Arthur was a fair man who had no wish to see someone executed for a crime they didn't commit. So when Uther sentenced Gwen to death for not only the poultice but also for creating the plague, Arthur helped Morgana defend her. He pointed out that being guilty of one crime did not make her guilty of both and said that he didn't believe that there was evil in her heart. He later accompanied Merlin and Morgana to the underground reservoir and killed the Afanc that was contaminating the water supply, thus proving that Gwen was not responsible for the plague (The Mark of Nimueh).

Becoming Friends
"We'll be fine." "How can you be so sure?" "Because I have faith in you. I mean... We all do."

- Gwen and Arthur

Gwen and Arthur began to grow closer when they helped to defend the village of Ealdor from bandits. Arthur took charge as soon as they arrived in the village, coming up with a strategy and teaching the men to fight. The villagers were greatly inexperienced when it came to combat, however, and Gwen and Morgana were concerned that there weren't enough men to hold off Kanen's forces. They tried to talk Arthur into letting the women fight as well, but Arthur dismissed their idea, as he believed it to be too dangerous.

Undaunted, Gwen brought the matter up again when Arthur was addressing the villagers the night before the battle. She said that the women had as much right to fight for their lives as anyone, and when Arthur pointed out that the women didn't know how to fight, she stood her ground and said that there was strength in numbers, and that the villagers would stand a better chance with everyone pitching in against the bandits. Recognizing the truth of her words, Arthur agreed that the women had every right to help defend their homes, and said that he would be honored to fight alongside them if they chose to do so.

The next morning, Gwen brought Arthur a bowl of food to eat while he was standing watch in the woods. Though he thanked her for doing so, he was clearly not pleased with the quality of the fare, and Gwen (fed up with his snobby behavior and offended on Hunith's behalf) lost her temper. She snapped that food was scarce for the villagers and that he shouldn't turn his nose up at it. Then, horrified at having spoken in such a way to the prince, she quickly apologized and made to leave. Arthur, however, was not offended by her rebuke, and in fact thanked her for it. He also told her that she was right to speak up about the women fighting, as they would need all the help they could get. Sensing his unease about the coming battle, Gwen awkwardly tried to reassure him that they would be fine and told him that she had faith in him, which Arthur appreciated (The Moment of Truth).

When Gwen's father was killed while trying to escape from prison, Arthur personally ensured that her job was safe and that her home would be hers for life. He also assured her that if there was anything she wanted or needed, all she had to do was ask, and said that he was sorry for what had happened. Gwen was stunned and deeply touched by the gesture, to the point where she could barely find her voice to thank him (To Kill the King).

Gwen later helped care for Arthur when he was bitten by the Questing Beast. Though Gaius was certain that (barring a miracle) the prince was going to die, Gwen refused to give up hope. As she sat his bedside, she told him that she knew he would someday be a great king, greater than his father could ever be, and that he would create a Camelot that was just and fair and would make the people proud to call him their sovereign.

Later, after Merlin returned from the Isle of the Blessed with a cure for the Beast's poison, Gwen was overjoyed by the prince's recovery but mortified when she realized that Arthur had been conscious enough to hear her musings. Flustered by his teasing, Gwen denied having said any of it and quickly fled from the room, leaving Arthur amused (Le Morte d'Arthur).

By the time of Cornelius Sigan's attack on Camelot, Gwen and Arthur had grown noticeably closer. When Arthur was injured fighting the sorcerer's animated gargoyles, Gwen risked her life to go looking for him and saved his life twice before escorting him inside to tend to his wounds. Surprised, but grateful for her actions, Arthur clumsily complimented her bravery and thanked her, which left Gwen flustered (The Curse of Cornelius Sigan).

Falling in Love
"I know I have much to learn. There are some things that I am terrible at - cooking being one of them. But also, knowing what to say to someone I care about."

- Arthur to Gwen

When Arthur sought to prove that he could win Camelot's annual jousting tournament without being given special treatment, he disguised himself as a civilian and entered the tournament as Sir William of Deira. Gwen allowed him to stay in her home during this time, (presumably because Merlin asked her to). Though she appeared to be a bit apprehensive about him staying with her at first, she respected Arthur's desire to prove himself without the aid of his title and did what she could to offer support.

It wasn't long, however, before Gwen became fed up with her guest's rude and arrogant behavior. The prince was little help around the house, treating her like a servant and unknowingly commandeering her bed, which forced her to sleep on the floor. When Arthur finally discovered the arrangement and tactlessly remarked that she should have said something, Gwen exploded into a rant about how rude he'd been. She told him that his effort to prove that titles didn't matter meant nothing if he continued to act as though other people were beneath him.

Having realized how appalling his behavior had been, Arthur apologized and offered to cook dinner as a peace offering. Though obviously skeptical about the prince's culinary skills, Gwen accepted his offer and went out for a walk. She returned that evening to find Arthur and two perfectly cooked dinners waiting for her. The two shared a pleasant meal together, but things quickly took a turn for the worse when Gwen noticed that the plates bore the royal seal and realized that Arthur had procured the dinners from the palace kitchens. Furious that Arthur had lied to her and upset because she though that he'd finally learnt some humility, Gwen told the prince that a good king should respect his people, no matter who they were. Recognizing the point she was trying to make, Arthur apologized once more, and admitted that he often didn't know what to say to people he cared about, which seemed to appease some of Gwen's anger.

Moment later, Merlin arrived and informed them that there was an assassin in Camelot looking for Arthur. Gwen allowed the prince to continue living in her home despite the threat, and offered to let him keep using her bed so he would be well rested for the tournament. Arthur, however, (having learnt his lesson) insisted on taking his turn on the floor. The next morning, though things were still somewhat awkward between the two, Gwen offered the prince a handkerchief to wear as a good luck token during his match. Touched, Arthur not only accepted it, but thanked her with a kiss.

After Arthur was injured while jousting against the assassin, Gwen helped tend to his wound and tried to talk him into forfeiting the match. She told him that he didn't need to prove anything, least of all to her, but Arthur responded that he had everything to prove to himself and went on with the match. Later, after being declared the winner of the tournament, Arthur chose to send the farmer he'd hired to pose as Sir William to collect the trophy in his place, thus maintaining their deception. His decision surprised Guinevere, as Arthur had repeatedly voiced his desire to unmask himself at the tournament's end and enjoy his moment of glory, but the prince merely replied that perhaps this was a time for humility. They later stood together at the back of the crowd and watched the supposed knight accept his reward with laughter and smiles.

Arthur made his public return to Camelot shortly after the tournament's end. After reporting to his father, he caught up with Gwen in a castle corridor and tried to address what had happened between them, reluctantly concluding that his father would never understand it. Having already accepted that a relationship between them would be impossible, Gwen told him that he didn't have to explain, and said that perhaps when he was king, things would be different (The Once and Future Queen).

Denial
"Because nothing can ever happen between us! To admit my feelings knowing that... hurts too much."

- Arthur to Merlin about Gwen

When Gwen was held hostage by the bandit Hengist (who believed her to be the Lady Morgana), Arthur disobeyed his father's orders and snuck out of the city with Merlin to rescue her. The prince was unusually impatient and reckless in their endeavor, which puzzled Merlin until he figured out that Arthur had developed feelings for Gwen. He appeared to be both amused and delighted by this, and wasted no time in teasing Arthur about it.

Much to his surprise, however, Merlin's joking challenge for Arthur to admit his feelings resulted not in mutual teasing but in a frustrated confession from the prince revealing not only the depth of his affection for Gwen but how much he'd been struggling with the idea that nothing could ever happen between them. He lamented that his father wouldn't even let him rescue a servant, much less marry one, to which Merlin pointed out that Arthur could change that when he was king. Dejected, Arthur countered that he couldn't expect Gwen to wait for him, but Merlin assured him that if Gwen felt the same way he did, she would wait for him, which gave Arthur hope.

Unfortunately, that hope soon came crashing down when they arrived at the bandit's hideout to find not only Gwen but Lancelot, who had been captured while trying to help her escape earlier in the day. As the group escaped through the tunnels, Arthur caught Gwen and Lancelot holding hands and sharing a meaningful glance; clearly they had fallen in love. Heartbroken, the prince covered up his feelings (and perhaps tried to salvage some of his pride) by claiming that he'd only come after Gwen because Morgana begged him. Though Gwen was upset and offended by this, Lancelot was more skeptical. He sought the truth of the matter from Merlin, and upon learning of Arthur's feelings for Gwen became determined not to come between them. He left quietly during the night, and Gwen was devastated.

Though clearly pained by how affected Gwen was by Lancelot's abandonment, Arthur ultimately chose not to intrude on her grief and kept his feelings to himself. They returned to Camelot in silence, leaving the matter undiscussed (Lancelot and Guinevere).

When Uther was bewitched to marry a troll disguised as the Lady Catrina, one of the first things his new wife did was persuade him to order a tax that would force the people to pay for the protection that Camelot provided. Arthur was against the tax from the beginning, pointing out that most of the people were poor and barely getting by as it was, but his father (firmly under Catrina's control) ignored his objections. Later, while taking a walk through the lower town, Arthur came across a man being arrested because he couldn't afford to pay the tax. After a moment's deliberation, he ordered the man released and all the money redistributed to the people.

Gwen, who had watched the incident unnoticed from in front of her house, later visited Arthur and commended him on his actions. Arthur, who had gotten into a fierce argument with his father over the incident, was grateful for her praise but lamented that his father was going to keep imposing the tax in spite of his protests. Gwen hastened to assure him that the people knew what he'd done and wouldn't forget what he'd done for them, but Arthur continued to muse that perhaps his father right in saying that he couldn't be a friend to the people as well as their king. Gwen disagreed with this, telling him that it was possible and he would prove it when he became king. She told him that he had a kind heart, and that he shouldn't change it for anyone (Beauty and the Beast).

When Gaius was accused of sorcery by the Witchfinder and consequently sentenced to death, Gwen and Merlin worked together to find evidence that the physician had been framed. They eventually discovered it wasn't magic Aredian's witnesses had seen but rather hallucinations, but by the time they'd gathered the necessary proof Gaius had already been taken from the dungeons to his execution.

With no time to lose, Gwen took it upon herself to make Arthur stop the execution. The prince initially refused, saying that since his father had already passed sentence there was nothing he could do, but Gwen angrily responded that he could do the right thing. That he could show some faith in his friends or stand back and watch an innocent man die, just as he'd done once before to her father. Addressing Arthur's shocked expression at being spoken to in such a way, she then finished her rant by telling him that she knew she was just a servant but she'd thought he was a prince, so he should start behaving like one. Though clearly taken aback by the force of Gwen's tirade, Arthur was nevertheless convinced by her words and chose to stop the execution (The Witchfinder).

Sweet Dreams
"There's no time to explain. Just... Live for me, Arthur. That's all I ask right now."

- Gwen to Arthur

When dignitaries from the Five Kingdoms arrived in Camelot to conduct peace talks, King Alined (who did not want peace) and his magical jester Trickler devised a plan to sabotage the conference. Knowing how fiercely protective King Olaf was towards his daughter, the Lady Vivian, they enchanted Arthur to fall madly in love with her. They hoped that Olaf would be so angry with the prince's conduct that he would declare war on Camelot.

They put their plan into action the night before the peace talks were to begin, stealing a lock of Vivian's hair and using it to place a powerful love spell on Arthur while he slept. The next morning, Merlin arrived to find the prince not only already dressed but inordinately cheerful and determined to profess his love for "his lady". Naturally assuming that he was referring to Gwen, Merlin was puzzled by Arthur's change of heart (as he had previously insisted on keeping his love for her a secret) but nevertheless agreed to help him express his feelings by taking her a bouquet of flowers at the prince's behest.When he found that Gwen wasn't at home, he left the flowers on her kitchen table along with a note which read: "The barriers that keep us apart are nothing compared to the power of true love."

It wasn't long, however, before Merlin discovered that it wasn't Gwen that Arthur was in love with, but the Lady Vivian. Horrified, he rushed back to Gwen's house to retrieve the flowers, but it was too late. Gwen had already found them. She was beyond delighted with the gift, telling Merlin, "You know one of those occasions when you've lost all hope and then, out of the blue, something happens to restore your faith? Well, that's what's happened to me today."

The next day, Gwen came across Arthur standing dejectedly with his horse in the courtyard. When she asked him what was wrong, he sadly lamented that he'd made a fool of himself by making a gesture that wasn't well received. Though he was actually talking about his disastrous attempt to court Vivian the night before, Gwen naturally assumed him to be referring to the flowers and note she'd found in her house. She assured him that his token had been well received, but reminded him that the situation was delicate, and it was not always easy to express what was in one's heart. She also told him that there was always hope, which cheered Arthur up considerably.

Encouraged by their conversation, Gwen slipped a note under Arthur's door inviting him to dinner at her house. She waited for hours, decorating the table with flowers and candles and wearing her finest dress, but Arthur never came. He'd thought the note was from Vivian and gone to her chambers instead. Disappointed, Gwen eventually blew out the candles and went to bed.

The next day, she learned from the Lady Morgana that Arthur had been caught in Vivian's chambers and Olaf had demanded recompense by challenging him to a fight to the death. Fighting back tears, Gwen quickly left Morgana's chambers but ran into Arthur in the hallway, who cheerfully asked her to wish him luck in the tournament. Furious, Gwen told him that she knew why Olaf had challenged him and that she wished he could have been honest enough to tell her about it himself. She then stormed away, leaving Arthur puzzled.

The first round of the tournament was disastrous for Arthur, who was too distracted by the Lady Vivian to fight well. Fearing that the prince would die if they didn't find a way to break the enchantment, Merlin went to the Great Dragon for help and learned that the spell could only be broken by a kiss from the person that Arthur truly loved. Realizing that Gwen was that person, Merlin rushed to her house and asked for her help. She refused at first, as she no longer believed that Arthur truly loved her, but her resolve began to waver when Merlin told her that the prince's feelings for Vivian were the result of an enchantment. He then pointed out that though Arthur's feelings for Vivian weren't real, his death would be if Gwen didn't help snap him out of it, which finally convinced her to try.

She went to the tournament grounds and found Arthur in his tent, preparing for his final match. Though still somewhat skeptical, Gwen gathered her courage and kissed him passionately. The kiss broke the enchantment and returned Arthur to his right mind, though it also made him aware of his injuries. Noticing his confusion, Gwen quickly explained that he was in a fight for the death and that he was losing, and asked him to live for her. Later, just before the match began, Arthur asked Merlin to look after Gwen if anything happened to him. "The world may think she is just a servant, dispensable, but... she's not dispensable to me."

Shortly after the fight, Gwen returned home to find Arthur waiting for her with a note and single red rose. She accepted his apology for the pain his actions had caused her, admitting that she had too had caused her fair share of hurt, as well as his assurances that his feelings for Vivian had never been. But when he told her that he'd never loved another, Gwen resignedly told him that someday he would. She reminded him that one day he would be King of Camelot, and she could not be his Queen. Still hopeful, Arthur tried to convince her otherwise by pointing out that things could change, but Gwen responded that until they did she was still just a servant, and they could not be together ( Sweet Dreams ).

Waiting Game
"The world's a strange place, Guinevere. Never underestimate the power of love. I've seen it change many things."

- Gaius to Gwen about her feelings for Arthur

When the Great Dragon began attacking Camelot, Arthur led the Knights of Camelot in battle against it while Gwen helped Gaius tend to the wounded. On the night of its third attack Gwen ventured out into the square to fetch water. As the Dragon began to circle overhead, Arthur noticed Gwen at the well and called her name as the Dragon dove at her. Alerted to the danger, Gwen ran for safety and Arthur after her, the Dragon hard on their heels. It tried to snatch them in its claws but missed, wounding Arthur in the shoulder and knocking them both to the ground.

After they had reached the safety of the infirmary, Gwen treated Arthur's wound and scolded him for risking his life for her. Arthur, however, tenderly replied that he wasn't going to let anything happen to her. Gwen was pleased by this, though she tried not to show it. Arthur then took her hand in his and pressed it against his shoulder, which made her smile.

The next day, Arthur and Merlin set out in search of the last Dragonlord to rid Camelot of the Dragon. Gwen worried about Arthur while he was away, and her worry and grief for Camelot's destruction eventually caused her to scale the battlements in search of privacy. It wasn't long before Gaius found her there, crying, and though he initially assumed that she was missing Morgana he soon deduced that Arthur was the real reason for her tears. He assured Gwen that he wouldn't tell anyone of her feelings for the prince (or his for her), which she was grateful for. She shyly admitted that she knew nothing could ever happen between them, but Gaius merely replied that the world was a strange place, and she should never underestimate the power of love.

Merlin and Arthur returned to Camelot the following day. They'd found the Dragonlord, but had been ambushed by Cenred's men on their way back, and the Dragonlord had been killed. Refusing to give up hope, Arthur decided to ride out with a group of Knights so they could face the Dragon on their own terms. When he and Merlin returned from the fight, Gwen ran up to him and hugged him, whispering that she'd though she'd lost him. Arthur returned the hug, and then they went inside (The Last Dragonlord).

One year later, when Uther was afflicted with madness and Cenred decided to march on Camelot, Arthur ordered the kingdom to prepare for a siege. He was somewhat uneasy about his decision, and later admitted as much to Gwen when she asked how his father was doing. She assured him that the people were glad that he'd taken charge, and told him that he should have more faith in himself. She also told him that she trusted him more than any other man, and that rather than worrying about his decision he should do what he believed to be right.

Arthur was comforted by her words, and the two shared a tender moment during which Arthur covered her hand with his own. Gwen then looked away and withdrew, bidding the prince goodbye. Arthur told her as she was leaving that there was no need for her to call him "sire", to which Gwen gently replied that there was every need, referring to their differences in status (The Tears of Uther Pendragon). When Merlin accidentally released a Goblin from a secret chamber in the castle library, the mischievous creature possessed Gaius and used his body to play practical jokes on members of the court. One of these pranks involved the Goblin using Gaius's position as court physician to sell fake remedies to people, including Gwen. Later, while Arthur was delivering a report on the castle's recent vandalisms, the remedies caused Gwen, Uther, and Morgana to break wind uncontrollably. Mortified, Gwen rushed from the council chamber as soon as the meeting was dismissed, leaving Arthur bemused.

After the Goblin accused Merlin of using magic to cause the recent pranks, he was arrested and sentenced to death for sorcery. Before he could be executed, however, he used his magic to escape and sought refuge at Gwen's house. After explaining the situation to her, Merlin asked her to convince Arthur that he was telling the truth about Gaius being possessed, but Gwen (still painfully embarrassed about the events of the previous day) refused to help. She said that she could never look Arthur in the face again after what had happened, and she was sure that he'd never be able to look at her in the same way again, either. However, she eventually agreed to talk to him when Merlin told her that if Arthur truly liked her he would accept her, flaws and all.

Gathering her courage, Gwen made her way to the prince's chambers and knocked on the door. Initially it appeared that Arthur wasn't there, but an odd sound from within prompted Gwen to investigate further, and she soon found a miserable and embarrassed Arthur attempting to hide behind his bed. The Goblin had cast a spell on him that caused him to grow donkey ears and speak only in brays. Though taken aback by his transformation, Gwen nevertheless comforted him as best she could by stroking his ears (which he seemed to enjoy), and assured him that Merlin was working on a plan.

Later, after Gwen and Merlin successfully drove the Goblin out of Gaius, the spell was broken and Arthur was returned to his usual self. He and Gwen ran into each other in one of the castle corridors not long afterwards, and they awkwardly agreed never to speak of the embarrassing events of the last few days. They then continued on with their tasks for the day, each breathing a sight of relief (Goblin's Gold).

When Uther insisted on upholding Gwaine's banishment even after he saved Arthur's life in the Mêlée, the prince and Merlin watched his departure from the castle ramparts. They were both sad to see him go, as Merlin had become good friends with him and Arthur admired his combat skills, but the prince seemed to become annoyed when he saw Gwaine stop to chat with Gwen.

Arthur suspiciously noted that they seemed very friendly, but hastily denied that he cared when Merlin called him on it. They continued to watch as Gwen laughed at whatever Gwaine was saying to her. When she touched his chest, Arthur (clearly jealous) crossly remarked that she could do better than Gwaine. Amused, Merlin asked if he meant that she should be setting her sights "higher", to which Arthur shrugged, trying to appear indifferent (Gwaine).

Both Gwen and Arthur were devastated when Morgana suffered a skull fracture from falling down some stairs. At one point Gwen went to Arthur for comfort, and he held her while she cried (The Crystal Cave).

The Changeling
"But if I do it. If I marry her, what will you do?" "I will watch you grow into the King that Camelot deserves. It is as it should be."

- Arthur and Gwen

When Lord Godwyn and his daughter, the Princess Elena, visited Camelot, Uther revealed that Arthur was to marry Elena in order to forge an alliance between their two kingdoms. Arthur was shocked by this (as his father only bothered to tell him moments before their visitors arrived), and was immediately underwhelmed by the inelegant princess when they were introduced. He later explained the situation to Gwen, who was concerned that he seemed unhappy, and assured her that he had no intention of going through with the marriage.

As Arthur got to know Elena, he discovered that they had some things in common, but failed to develop any interest in her romantically. He was often taken aback by her lack of social graces, such as when she sneezed on him after sniffing a flower he'd given her or retrieved and ate food that she'd dropped down her dress. When she got the hiccups from drinking too much wine at a feast, Arthur and Gwen (who was serving the Ladies of the court) glanced at one another, bemused. Taking note of how unhappy the prince appeared, Gwen later squeeze his shoulder in sympathy as she was leaving.

The next evening, Arthur had dinner with his father and Morgana, with Gwen serving them. Arthur tried his best to talk his way out of the marriage, explaining to his father that he'd tried to get know Elena but had no feelings for her, and he couldn't marry someone he didn't love. Uther, however, made it very clear that the marriage was to take place whether Arthur wanted it or not. Upset, Arthur looked at Gwen, who refused to meet his gaze.

Their exchange was noticed by Morgana, who became suspicious and questioned Gwen about her relationship with Arthur the next morning. She remarked how sad it was for Arthur to be forced to marry against his will, especially when his heart already belonged to another. She then trapped Gwen into admitting her feelings for the prince, which Gwen first tried to deny and then tried to downplay by saying that nothing would ever come of it. Her suspicions confirmed, Morgana smoothly agreed with Gwen's belief, telling her that Arthur couldn't change two hundred years history, no matter how much he may want to.

Later, Gwen went to speak with Arthur about his marriage to Elena. She told him that she knew he didn't want to go through with it, but the way things were going he would probably have to. Arthur disagreed, unable to believe that his wanting to marry for love was really so insane, to which Gwen replied that wanting to marry her probably would seem insane to anyone but them. Still reluctant, Arthur asked her what she would do if he did marry Elena, and Gwen told him that she would watch him grow into the king that Camelot deserved, and everything would be as it should be. With Gwen's blessing, Arthur followed his father's orders and proposed to Elena. Their wedding took place the following day, with the entire court of Camelot in attendance. Arthur was still dreadfully unhappy, and as he waited for his cue to enter the throne room he asked Merlin what he should do. Once he was sure that the prince actually wanted his advice, Merlin told him that he didn't think an unhappy king would make for a strong kingdom and that whether Arthur was destined to rule Camelot or not, he still had a choice as to how he did it.

Overwhelmed, Arthur walked through the first part of the ceremony in a daze, but ultimately accepted Merlin's advice and spoke up when Geoffrey asked if there were any objections to their union. He told Elena that she was a wonderful woman and a beautiful bride, but he could no longer deny his feelings. Elena then interrupted him, stating matter of factly that he didn't love her, and at Arthur's prompting she admitted that she didn't love him either. Agreeing that they were both there out of duty and nothing more, they then mutually decided to call off the wedding, and Gwen was overjoyed.

Later, after bidding Elena and her father farewell, Arthur caught sight of Gwen as she was heading down the stairs. He happily pointed out that he was still a single man, and Gwen responded by teasing that Elena was far too lovely for someone like him, anyway. Arthur then told her that he hoped he'd forsaken the princess for someone equally lovely, or perhaps even more so. Flattered, Gwen innocently remarked that she knew of no such perhaps, and Arthur cheekily agreed, remarking that only time would tell (The Changeling).

Series 3
In season 3 episode 5, Gwen cries in Arthur's arms.In season 3 episode 10 "The Queen of Hearts" Morgana has a dream of Guinevere being crowned Queen of Camelot and in pain and jealousy decides to reveal their relationship to the King. She encourages Arthur and Gwen to spend time together. While Guinevere and Arthur are together, she encourages Uther to go for a horse ride and they "coincidentally" come across the two in the woods.

Later in the palace Uther laughs, and saying he too in his past understood the incitement of serving girls, but explained they may never see each other again. When Arthur continues to demand he is in love with Gwen, Morgana hides a magical pouch full of herbs under Arthur's pillow framing her of enchanting him. She is put to death and the two share one last desperate and beautiful kiss as she is taken away.

Before, however, she could be killed, with the help of Merlin Gwen escaped.

Later in the season...

In season 4 episode 9 "Lancelot du Lac" Arthur had asked Guinevere to marry him when Morgana found out she would do anything to keep a serving girl from her throne. Morgana uses necromancy to bring Lancelot back. then using magic brought back Gwen's feelings for him. Gwen and Lancelot are caught by Arthur who is furious and almost kills Lancelot but Gwen stops him, Gwen is thrown in jail. Crying, she throws off the enchanted bracelet from Morgana which caused her unnatural attraction to Lancelot. Afterwards to save Gwen from being put to death like his advisers suggest Arthur tells Gwen to leave camelot and never return. She asked where she would go but Arthur told her he didn't know. Arthur was so blinded by jealousy rage and heartbreak he sent her away. There was nothing else he could do. This was the lowest point for Gwen and Arthurs relationship.

Season 4 Episode 13 "The Sword in the Stone Part 2" Gwen and Arthur at long last marry. After seeing Tristan's lover die in his arms he realizes he cannot lose Gwen again. Arthur comes to Gwen as she is cleaning a room and asks her to marry him, as he never stopped loving her. She responds, "yes" with "all her heart".