Season: 15
Episode: 5
Vital statistics
Air date 7 - 28 January 1978
Written by Bob Baker & Dave Martin
Directed by Norman Stewart
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The Sun Makers The Invasion of Time

Underworld (also known as Dude? Where's my set?) is the Greek mythological version of the afterlife. a not-so beloved Season 15 story from 1978.

It stars Tommy Gun as the Fourth Doctor, Louise Jameson as Leela and Liam Neeson as K-9.


It's about a long voyage to a planet of subterranean cities run by an insane computer.


It is widely known for its guest director George Lucas and the excessive use of quality green screen.


I was honestly on the verge of falling asleep while watching it.