Classic British sci-fi adventure starring Tom Baker. The Doctor and Romana experience an anomaly in time while on holiday in Paris that causes the Doctor to notice a suspicious woman.

Classic British sci-fi adventure starring Jon Pertwee. With the parallel universe doomed to destruction, the Doctor tries to escape the catastrophe - but he's not the only one.

Classic British sci-fi adventure starring Jon Pertwee. Having returned to his own universe, the Doctor must stop Stahlman before the Earth suffers the same fate as the parallel one.

Classic British sci-fi adventure starring Jon Pertwee. The Doctor faces his first battle with his arch-nemesis, the Master, who has stolen an energy device and is creating deadly Autons.

Classic British sci-fi adventure starring Jon Pertwee. The Doctor faces his first battle with his arch-nemesis, the Master who has stolen an energy device and is creating deadly Autons.

Classic British sci-fi adventure starring Jon Pertwee. The Doctor faces his first battle with his arch-nemesis, the Master who has stolen an energy device and is creating deadly Autons.

Classic British sci-fi adventure starring Jon Pertwee. The Doctor faces his first battle with his arch-nemesis, the Master who has stolen an energy device and is creating deadly Autons.

Classic British sci-fi adventure starring Jon Pertwee. At an archaeological dig a local witch warns of a great evil and soon enough, the Master is working on a nefarious scheme.

Classic British sci-fi adventure starring Jon Pertwee. With the Doctor frozen by a mysterious energy, the Brigadier attempts to come to his aid only to encounter an impassable heat barrier.

Classic British sci-fi adventure starring Jon Pertwee. While the Master brings more followers under his spell, the Doctor warns of a great power his adversary is intent on controlling.

Classic British sci-fi adventure starring Jon Pertwee. The Master orders that a trap be set for the Doctor at the village, while a concussed Jo heads for the cavern.