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13 Episodes
S3 E1 - The Tears of Uther Pendragon (1)
S3 E2 - The Tears of Uther Pendragon (2)
S3 E3 - Goblin's Gold
S3 E4 - Gwaine
S3 E5 - The Crystal Cave
S3 E6 - The Changeling
S3 E7 - The Castle of Fyrien
S3 E8 - The Eye of the Phoenix
S3 E9 - Love in the Time of Dragons
S3 E10 - Queen of Hearts
S3 E11 - The Sorcerer's Shadow
S3 E12 - The Coming of Arthur (1)
S3 E13 - The Coming of Arthur (2)
Streaming, rent, or buy Merlin – Season 3:
Currently you are able to watch "Merlin - Season 3" streaming on 7plus for free with ads.
You can also stream the title for free on ABC iview, 10.
Synopsis
Swords, sorcery and swashbuckling adventure return in the third series of Merlin, following our heroes as they face their greatest challenge yet. When misbegotten secrets are exposed and old friends choose new sides, they soon discover that the great battle for Camelot is only just beginning...
Videos: Trailers, Teasers, Featurettes
Cast
Colin Morgan
Merlin
Angel Coulby
Gwen
Bradley James
Arthur Pendragon
Katie McGrath
Morgana
Anthony Stewart Head
Uther Pendragon
Richard Wilson
Gaius
Rupert Young
Leon
Tom Hopper
Sir Percival
Rupert Young
Sir Leon
Tom Hopper
Percival
Eoin Macken
Sir Gwaine
John Hurt
Kilgharrah (voice)
Eoin Macken
Gwaine
