The Three Doctors (4)

Name: The Three Doctors (4)
Director: Lennie Mayne
Released: 1973-01-20
Duration: 25 min
Rating: 7.8
Cast: William Hartnell, Patrick Troughton, Nicholas Courtney, John Levene, Rex Robinson

S10 E4 January 20, 1973 0h 25m ★ 7.8

Source:

Overview

Omega reveals the purpose behind bringing the Doctor to his antimatter world, but the Doctor(s) discover a startling fact about Omega that he didn't know himself and eventually strike a bargain.