The Mind Robber Episode 5, the final part of the Patrick Troughton serial, will air tonight on BBC2.

The Radio Times says:

“The last of a five-part classic sci-fi tale from 1968, starring Patrick Troughton. The Master insists that the Doctor should take his place. Episode written by Peter Ling Producer Peter Bryant. Director David Maloney (B/w. Rpt)”

The episode will be followed by the Star Trek: 25th Anniversary Special, hosted by William Shatner and Leonard Nimoy.

The Mind Robber Episode 5 airs tonight on BBC Two at 6:50pm.