Doctor Who: Castrovalva
Season 1
Ep 2. Episode 2
- January 5, 1982
The Master reveals to the trapped Adric that he has a further trap set for the Doctor. Tegan searches the TARDIS computer systems and finds a place named the Dwellings of Simplicity on Castrovalva which will be a suitable place for the Doctor to recover from his regeneration, but when they arrive the Doctor vanishes!