Board Thread:Questions and Answers/@comment-67.87.94.179-20121216031205/@comment-5689575-20121216203704

look at Series3 Episode5 =The Crystal Cave= http://merlin.wikia.com/wiki/The_Crystal_Cave

...The King implies that he would even allow Gaius to use magic. He explains to his friend that Morgana is more than just his ward and reveals to the very hesitant Gaius, who warns Uther to not risk everything by using magic, that Morgana is his daughter. He confesses that he had a brief affair with Morgana's mother, Vivienne, while Gorlois was away at the Northern Plaines...