The Doctor and Romana receive a distress signal and arrive on Chloris, a lush and verdant world that has only small quantities of metals, all of which are controlled by its ruler, Lady Adrasta. Adrasta keeps order with the aid of her Huntsman and his wolfweeds - mobile balls of vegetation - while a band of scruffy thieves, led by Torvin, organize raids on her palace to steal whatever metal they can.

The Cranleigh house is hiding dark secrets, including one in a locked room.

The Doctor, Romana and K9 are led by the tracer to the Nine Travellers, a circle of standing stones on Boscombe Moor in present-day England, but the third segment is nowhere to be found. They meet elderly archaeologist Professor Emilia Rumford and her assistant Vivien Fay, who are surveying the site, and learn that the circle appears to have had a variable number of stones over the years.

While under the influence of the evil Mara, Tegan re-directs the Tardis to the Mara's former home planet.

The Doctor is imprisoned for his attempts to obstruct the traditional celebration of the Mara's defeat.

The Doctor, refusing to face regeneration, teams up with his former self, a British army captain, and Bill Potts for an adventure.

On the set of "EastEnders", a celebration of the history of film, music, theatre and television; the team appraise rare and unusual items of entertainment memorabilia, including a script for the first episode of "Doctor Who."

The Doctor tries to save the lives of the passengers on an orbiting cruise ship called Titanic.

Jemma is away on a business trip, and Leslie's off to a Doctor Who convention.