Series 5

Camelot is at the height of its golden age. With Queen Guinevere and the Knights of the Round Table at his side, Arthur has never felt stronger.

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The Diamond of the Day - Part 2

13/13 As the great battle rages on Camlann's mighty plain, Merlin faces his moment of destiny.

Boxing Day 2012 19:10 BBC Three

See all previous episodes from Merlin

TV blog: Creating magic and illusion for a rollercoaster script

Morgana

Read more from the special effects director on the BBC TV blog.

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Available on: DVD

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