Starring: Jerry Lacy, John Karlen

Collinwood 1897. The Reverend Gregory Trask has been walled alive inside Quentin’s room for his crimes against the Collins family, and is close to death. But as his loneliness degenerates into madness, a stranger appears to him with an intriguing offer...

Starring: William Russell, Ian Hallard

1770. Captain Cook and his crew are navigating the Pacific Ocean. Into their midst come strangers: the Doctor and Ian Chesterton, who are believed to have come from Venus. But could it be that the travellers are not the only visitors from the stars?

Starring: Peter Davison, Ciara Janson, Laura Doddington

On a planet where Time stands still, the Doctor meets a Tracer, sent into our Universe to locate the six segments of the Key to Time. This being without a name wants the Doctor to be her assistant, but she doesn’t tell him the whole truth. Not at first.