The BBC has released a trailer and clip from the last ever episode of Merlin, with the clip giving a spoilery glimpse of what’s to come.
‘Merlin: The Diamond Of The Day’ – part 2 airs Christmas Eve at 8.15pm on BBC One.
Watch the trailer and clip below…
‘The mystery of Emrys’ Clip
Gaius tells Gwen that the figure on the ridge is someone truly remarkable.