Season 07 | EP 4


Written by Don Houghton

"Listen to that! That's the sound of this planet screaming out its rage!"

Episode Title Premiere Date
Episode 1 09/05/1970
Episode 2 16/05/1970
Episode 3 23/05/1970
Episode 4 30/05/1970
Episode 5 06/06/1970
Episode 6 13/06/1970
Episode 7 20/06/1970

Inferno is a top-secret project that involves drilling down into the crust of the Earth to unleash a new energy source. However, the Doctor, along with his assistant Liz Shaw, is concerned that this drilling will have disastrous consequences for the whole world. His concerns are soon confirmed when the TARDIS throws him into a dangerous parallel universe, where Project Inferno is almost complete and the end of the world is near...

Cast & Crew

The Doctor: Jon Pertwee

Liz Shaw / Section Leader Elizabeth Shaw: Caroline John

Brigadier Lethbridge-Stewart / Brigade Leader Lethbridge-Stewart: Nicholas Courtney

Sergeant Benton / Platoon Under Leader Benton: John Levene

Professor Stahlman / Director Stahlman: Olaf Pooley

Sir Keith Gold: Christopher Benjamin

Petra Williams / Dr Petra Williams: Sheila Dunn

Greg Sutton / Greg Sutton: Derek Newark

Producer: Barry Letts

Director: Douglas Camfield

Scriptwriter: Don Houghton

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