The Three Doctors (1)

Name: The Three Doctors (1)
Director: Lennie Mayne
Released: 1972-12-30
Duration: 25 min
Rating: 8.3
Cast: William Hartnell, Patrick Troughton, Nicholas Courtney, John Levene, Rex Robinson

S10 E1 December 30, 1972 0h 25m ★ 8.3

Source:

Overview

England, the near future. A strange anti-matter creature arrives on Earth and attacks UNIT HQ. It seems to be specifically seeking the Doctor out - but why? With the Time Lords themselves unable to help, it seems the only person who can help the Doctor is himself - or selves...