When Merlin had its fifteenth anniversary in 2023 ... IMDb claims that Young appeared but was not credited in the Series 5 episode "The Pandorica Opens," but he has denied being in that episode.

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 ...