The Doctor faces an old foe in each story this season, bids farewell to Nyssa and welcomes troubled alien Turlough and shape-changing robot Kamelion aboard the TARDIS.
Share this with
This programme is not currently available on BBC iPlayer
There are no upcoming broadcasts of this programme
Fri 13 Jul 1984 18:55
All previous episodes
See all from Season 20
See all clips from Season 20
More levels! More adventure! And it’s now available on tablets!