David Tennant (The Doctor), Peter Davison (The Doctor), Nicholas Briggs (The Cybermen), Shelley Conn (Tina Drake), Mark Gatiss (Joseph Delon)
The Tenth Doctor joins forces with the Fifth Doctor to fight the Cybermen in the Catacombs of Paris.
Paris, 1809. The Fifth Doctor takes a tour of the Catacombs and meets a sassy Time Agent doing the same…
Paris, 1944. The Tenth Doctor misses his target and lands in occupied France. He hides from the Nazis – in the Catacombs.
A collision of two Doctors’ timelines triggers a temporal catastrophe, granting the Cybermen dominion over the Earth.
The Doctors must travel back in time to find the source of the Cyber-invasion and close the Gates of Hell…