Merlin finds a secret chamber and accidentally releases a Goblin, which wreaks havoc.



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Episode complete credited cast:
The Dragon (voice)
Michael Cronin ...
The Goblin (voice)
Duncan Meadows ...
Simon Nehan ...
Gemma Arrowsmith ...
Rupert Young ...


Merlin accidentally releases a malicious goblin from a secret chamber and it casts a spell on Uther, making him lose all his hair. Gaius and Merlin try to catch it but it inhabits Gaius, possessing him and making him rude and greedy, selling bogus potions in exchange for gold. Before Merlin can act, the goblin, speaking through Gaius, denounces him as a sorcerer and he is imprisoned. Arthur believes in Merlin's innocence but he is turned into a donkey after confronting the possessed physician, and Merlin, helped only by Guinevere, must bring Gaius close to death so that the goblin will leave him and can be recaptured. Written by don @ minifie-1

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TV-14 | See all certifications »




Release Date:

21 January 2011 (USA)  »

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Did You Know?


While it seems Goblins all tend to have the basic traits in their personalities (disgusting and a deep yearning for lots of riches), as this episode shows Goblins don't all look alike nor do they have similar traits in looks. See more »


The Goblin: [as soon as it jumps out of its box] Boo!
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User Reviews

The "Comedy Episode", cleverly done with plenty of giggles *Mild Spoiler*
7 October 2017 | by (United Kingdom) – See all my reviews

While searching for an obscure book for Gaius in the library, Merlin accidentally triggers a hidden room and discovers an old box which when opened releases a goblin who proceeds to take over Gaius' body and cause havoc around the castle. This episode is a departure from most, in that it contains a much higher level of plain fun, frolics and silly entertainment. Richard Wilson as Gaius gets to throw off his usual fatherly figure, and indulge in some truly childish stuff which he pulls off with flair. The writers clearly decided to just kick back and let off some steam - although the scene between Gaius and Lady Morgana reminds the audience of the continuing plot, and some of the antics Gaius gets up to are clever and original.

Put your kid's hat on, and enjoy!

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