The Doctor tries to stop the Pandorica, a trap containing the most dangerous being in the universe, from opening.
The Doctor visits a possible future incarnation in 1851.
Ianto Jones has a secret in the Torchwood basement.
The Daleks and the Cybermen go to war in the streets of London.
The Doctor learns about Torchwood the hard way while searching for the source of a whole lot of “ghosts”.
It’s up to Mickey to save the day when the Cybermen begin to overrun London.
The Doctor encounters an old enemy on a parallel Earth.
The last Time-Lord meets the last Dalek (maybe).
The Seventh Doctor. “Silver Nemesis,” Final Part.
The Seventh Doctor. “Silver Nemesis,” Episode Two.