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 Tom Baker. The Doctor and Romana investigate Garron's activities, but their involvement leads Graff to believe they are working together.

Classic British sci-fi adventure starring Tom Baker. The Doctor, Romana and Garron, who are trying to locate the six lost segments of the Key to Time, are taken prisoner by the Graff.

Classic British sci-fi adventure starring Tom Baker. The Doctor returns to keep an eye on the Graff, leaving Romana, K-9 and Garron to search for Unstoffe and the first segment.

Classic British sci-fi adventure starring Tom Baker written by Douglas Adams (Hitchhiker's Guide). The Doctor, Romana and K-9 search of the second part of the Key to Time.

Classic British sci-fi adventure starring Tom Baker written by Douglas Adams (Hitchhiker's Guide). The Doctor and Kimus try to rescue Romana, while the Captain plans to head to Earth.

Classic British sci-fi adventure starring Tom Baker written by Douglas Adams (Hitchhiker's Guide). The Doctor, Romana and Kimus are taken to a reunion with K-9 and Mula.

Classic British sci-fi adventure starring Tom Baker written by Douglas Adams (Hitchhiker's Guide). The Doctor learns the truth behind Zanak's power and must try and save the Earth.

Classic British sci-fi adventure starring Tom Baker. On Earth to collect the third segment to the Key to Time, the Doctor and Romana encounter Cornish druids making blood sacrifices.

Classic British sci-fi adventure starring Tom Baker. On Ogros, stone creatures controlled by an unknown master attack the Doctor and his companion, who makes a striking discovery.

Classic British sci-fi adventure starring Tom Baker. Assisted by Professor Rumford and K-9, the Doctor constructs a device to enter hyperspace to rescue the kidnapped Romana.