Starring: Colin Baker, Claire Huckle, Noel Sullivan

The Doctor, Crystal and Jason have survived monsters, Madame Delilah and Mrs T, but then Karl recalls them to Bar Galactica. The mercenary has a cryptic message concerning Ultima Thule, where fabled treasure and a threat to the universe await...

Starring: Peter Davison, Sarah Sutton, Janet Fielding

The TARDIS scanner picks up a message: ‘Idra’. Just one word, but enough to draw the Doctor to the Archipelago of Sirius, where the Autarch is about to announce a new crusade: a mighty war against Seth, Prince of the Dark...

Starring: Ciara Janson, Laura Doddington

Once upon a time there were two sisters, Abby and Zara. When they were together, they could do anything. They always tried to do what was right. But even when they tried their hardest to help, there were always unintended consequences...

Starring: Nicholas Briggs, Richard Earl

Young Dr Mortimer ventures from Devonshire to Baker Street, with news of the death of his friend, Sir Charles Baskerville. Can it really be that the grisly legend of the Hound of the Baskervilles might have something to do with the case?

Starring: Paul McGann, Julie Cox

Skeletal citizens are marching on Stronghaven. Can anything stop them? In search of answers, the Doctor and Mary must journey into the dead heart of a dead city to face a terrifying adversary, whose ambitions transcend the stuff of life itself.

Starring: Peter Davison, Jean Marsh, Peter Purves, William Russell, Sarah Sutton, Anneke Wills

The Fifth Doctor meets up with his distant past: the schoolteacher who settled down, the space pilot who became a King, the security agent who died and lived again and the swinging Sixties secretary who has made her own way in the world.

Starring: Peter Davison, Jean Marsh, Peter Purves, William Russell, Sarah Sutton, Anneke Wills

The Fifth Doctor meets up with his distant past: the schoolteacher who settled down, the space pilot who became a King, the security agent who died and lived again and the swinging Sixties secretary who has made her own way in the world.