Inferno (3)

Name: Inferno (3)
Director: Douglas Camfield
Released: 1970-05-23
Duration: 25 min
Rating: 8.6
Cast: Olaf Pooley, Christopher Benjamin, Derek Newark, Sheila Dunn, David Simeon

S7 E21 May 23, 1970 0h 25m ★ 8.6

Source:

Overview

The Doctor has vanished from the Inferno project… or has he? He finds himself in the same place, but everyone has changed… and the drilling is closer to its deadly conclusion.