Last updated 27 July 2020

Part Four

Part Four

Series Episode Number: 575

World Premiere: Tue 16 Mar 1982 - 7:03pm GMT [BBC One: Not Wales] (United Kingdom)
Running Time: 24 minutes 28 seconds

9.60 Million (UK)

Chart Position: 40 () (UK)

The Doctor realises the freighter is now a huge bomb and sends it back through time where it can explode millions of years ago... but Adric is still aboard...