Rick leads the group to the CDC after the attack.
President Martinez demands answers from Blake Sterling while Sean and Leila scramble to stay ahead of the covert ops.
15 pictures from the Merlin Series 3 Finale.
They return 2011.
Watch the trailer for the Series 3 finale of Merlin – The Coming of Arthur Part 2
Sneak peek – Rick’s mission to Atlanta is jeopardized when things go awry.
President Martinez orders Blake to root out the mole from their staff.
Colin Morgan on the Series 3 finale and where Merlin is heading in Series 4.
Peter grapples with the aftermath of recent events as Olivia desperately searches for an ally.
Watch the trailer for Merlin Series 3, episode 12 – The Coming of Arthur.