The Sword in the Stone

Episode 4.12 is the as yet unnamed twelth episode of the fourth series of Merlin and the first part of the two-part finale.

Plot
to be added

Cast

 * Colin Morgan as Merlin/Emrys
 * Richard Wilson as Gaius
 * Katie Mcgrath as Morgana Pendragon
 * Bradley James as Arthur Pendragon
 * Angel Coulby as Guinevere
 * John Hurt as the voice of Kilgharrah
 * Nathaniel Parker as Sir Agravaine
 * Tom Hopper as Sir Percival
 * Adetomiwa Edun as Sir Elyan
 * Rupert Young as Sir Leon
 * Eoin Macken as Sir Gwaine
 * Steven Hartley as King Carleon
 * Ben Daniels as Tristan
 * Miranda Raison as Isolde

Broadcast
to be added

Trivia
This episode will have 2 plots both significant,the main plot and the semi-plot-which leads into the finale.