Three incarnations of the Master face a familiar challenge. But why?
The Secret of Vega X22 (1 ep)
Spin-off episode introducing Space Security Agent Mark Seven against the Daleks
The Mark 7 Arc
Dr Who: Earthshock! Return of the Cybermen (3 eps)
The movie Doctor battles with the Cybermen
One-off sidestep into the 60s Dr Who movies.
The Diary (1 ep)
Thadius Torchwood chases the Doctor through time and meets the Brigadier.
Spin off featuring Thadius Torchwood. Companion piece to The Changing of Bracchis
Cosmic Bodies (1 ep)
The Master comes to the Rani for help.
Spin off adventure, not featuring the Doctor