From deleted scenes ep 4.04, the knights tease Merlin link
screencap
merlin
season 4
deleted scenes
This Merlin on BBC screencap might contain
mlolongo pepe, pete pepe, barua pepe, mlolongo silaha, pete silaha, barua ya mnyororo, pete barua, barua, silaha ya mnyororo, silaha ya pete, hauberk, and byrnie.
There is no Cornelius Sigan! There is soul of Nimueh in the glass heart! And there are a lot of Merlin's memories and hallucinations. Footage from: BBC's 'Merlin'(series 1 & 2). Music: Apocalyptica feat. Adam Gontier - I Don't Care