Prentis Hancock

While on a second honeymoon in Scotland with her husband after World War II, army nurse Claire Randall (Caitriona Balfe) steps through an ancient standing stone circle and awakes in 1743, where Scottish rebels save her from an assault by a royal army captain who happens to be her husband’s ancestor, only to take her further into the Scottish highlands.

Koenig arranges a cease-fire between two warring planets when Moonbase Alpha is caught in their fire; guest Caroline Mortimer.

Koenig decides to use explosives to prevent a collision with an unseen intelligence; guests Shane Rimmer, Carla Romanelli.

Koenig is transported to another world and another time. Once there, he finds that he has to choose between returning to his life and companions on the moon and the love of a beautiful girl.

A botanist's (Giancarlo Prette) experiments in communication between plants and man bring bizarre, frightening results.

To prevent the universe from being plunged into eternal chaos, the Doctor and Romana must find six missing segments of the Key to Time.