Merlin “Diamond of the Day – Part 2″ Season 5 Episode 13 (series finale) airs Monday December 24 2012 at 8:15pm on BBC One.
Episode Synopsis: As the great battle rages on Camlann’s mighty plain, Merlin faces his moment of destiny. Can he find the strength to save the man he made a king, the Camelot they fought to build, and the brotherhood they shared?
Show Summmary: For a young wizard like Merlin, survival in a kingdom where magic is banned is no mean feat. Not when you are Prince Arthur’s servant and have to protect the city of Camelot from terrifying enemies.