On the planet Xeros, the TARDIS crew discover their own future selves frozen in time as exhibits in a galactic museum and must avert this potential future.
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Cast
William Hartnell
The Doctor
Jacqueline Hill
Barbara Wright
William Russell
Ian Chesterton
Maureen O'Brien
Vicki
Peter Sanders
Sita
Peter Craze
Dako
Bill Starkey
Third Xeron / Xeron
Richard Shaw
Lobos
Jeremy Bulloch
Tor
Salvin Stewart
Morok Messenger / Morok Guard
Peter Diamond
Morok Technician / Morok Guard
Lawrence Dean
Morok Guard
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