Merlin finds a secret chamber and accidentally releases a Goblin, which wreaks havoc.
Episode rating
Cast of episode
62
21
16
1
1
- Gaius
- Arthur
- Merlin
- Morgana
- Gwen
- Uther Pendragon
- The Dragon
- Sir Leon
- Geoffrey of Monmouth
- The Goblin
- Ewan
- Tom
- Rose