Farewell, the First Doctor! We meet the Second Doctor, Jamie and Victoria as well as the mighty Cybermen, although Ben and Polly say goodbye after facing the Chameleons.
Share this with
This programme is not currently available on BBC iPlayer
There are no upcoming broadcasts of this programme
Sat 3 Aug 1968 17:15
All previous episodes
See all from Season 4
See all clips from Season 4
Check out the best of the latest news and photos from our Twitter and Instagram accounts!
Many to choose from but here’s our top 12!
More levels! More adventure! And it’s now available on tablets!
See all galleries from Season 4