The Invasion of Time (4)

Name: The Invasion of Time (4)
Director: Gerald Blake
Released: 1978-02-25
Duration: 25 min
Rating: 6.6
Cast: Chris Tranchell, Milton Johns, Ray Callaghan, Hilary Ryan, Michael Mundell

S15 E24 February 25, 1978 0h 25m ★ 6.6

Source:

Overview

The Doctor works to free his planet of the Vardan menace. How can he defeat an enemy who can read his very thoughts? And does their invasion conceal a greater menace?