The Invasion of Time (5)

Name: The Invasion of Time (5)
Director: Gerald Blake
Released: 1978-03-04
Duration: 25 min
Rating: 7.2
Cast: Chris Tranchell, Milton Johns, John Arnatt, Ray Callaghan, Hilary Ryan

S15 E25 March 4, 1978 0h 25m ★ 7.2

Source:

Overview

The Sontarans have invaded Gallifrey, seeking to seize the incredible power of the Time Lords. The Doctor's first step is to cut them off from their fleet. But Kelner is helping the enemy…