Last updated 24 March 2024

Episode One

Series Episode Number: 304

World Premiere: Sat 1 Jan 1972 - 5:52pm GMT [BBC One] (United Kingdom)
First Broadcast: Tue 7 Oct 1975 - 6:30pm CDT [WTTW 11 Chicago]
Running Time: 23 minutes 36 seconds

9.80 Million (UK)

Chart Position: 36 () (UK)

Recorded on Mon 04 Oct 1971 in TC4
Archive State: PAL 2 VT

When Sir Reginald Styles claims to have seen a ghost, UNIT is called in. The Doctor and Jo spend the night at Styles' house and become the target of an assassin.