Doctor Who: The Keys Of Marinus

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Label : Roadshow
Supplier : Roadshow
Format : DVD
Rating : PG
Region Code : 4
Audio : English (Dolby Digital 2.0)
TV Standard : PAL
Screen Format : 1.33:1
Released : 07-Jan-10

Starring William Hartnell as the First Doctor.

The TARDIS arrives on the planet Marinus on an island of glass surrounded by a sea of acid.

The travellers are forced by the elderly Arbitan to retrieve four of the five operating keys to a machine called the Conscience of Marinus, of which he is the keeper.

These have been hidden in different locations around the planet to prevent them falling into the hands of the evil Yartek and his Voord warriors, who plan to seize the machine and use its originally benevolent mindinfluencing power for their own sinister purposes.

episode commentaries, photogallery and Easter Egg.