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Inferno: Episode 4
In the parallel world, the drilling project is about to penetrate Earth's crust. The Doctor, arrested as a spy, is unable to convince his captors of the danger that faces them.
Last on
Sat 30 May 1970
17:15
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Inferno: Episode 4
Duration: 00:59
Broadcast
- Sat 30 May 1970 17:15
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