
Season 12, episode 5
The Ark in Space (1)
- 25 min
The Doctor’s attempt to give Harry a trip in the TARDIS sees the two of them and Sarah Jane arriving onboard a space station in the far future, with some rather deadly security mechanisms.

Season 12, episode 5
The Doctor’s attempt to give Harry a trip in the TARDIS sees the two of them and Sarah Jane arriving onboard a space station in the far future, with some rather deadly security mechanisms.