Inferno (4)

Name: Inferno (4)
Director: Douglas Camfield
Released: 1970-05-30
Duration: 25 min
Rating: 7.8
Cast: Olaf Pooley, Christopher Benjamin, Derek Newark, Sheila Dunn, Ian Fairbairn

S7 E22 May 30, 1970 0h 25m ★ 7.8

Source:

Overview

In a parallel England, the Doctor tries desperately to convince his captors of the immense peril they are in. But they are convinced he is a spy. And penetration zero is getting close…