The year is 1770, and explorer Captain James Cook is navigating the Pacific Ocean. In come strangers: the Doctor and Ian Chesterton. The TARDIS is lost to them and Ian makes an enemy of the ship's chief scientist, Joseph Banks.
Two prisoners meet in a prison cell. Zara is searching for the segments of the Key to Time; she was only born yesterday but already she's killed hundreds of people. Ace is more ambitious: she was going to kill everyone on the planet.
Separated from the TARDIS, the Doctor and Polly find themselves with enemies on all sides. Trapped in one of the darkest times in history, Polly discovers that humanity can be just as dangerous as any threat from outer space.
A street magician who was witnessed at the scene of a tragedy entertains crowds in Covent Garden. As Jo Grant and Mike Yates disobey orders and investigate alone, they discover an enemy with terrifying powers.
Jago and Litefoot have defeated danger together. But when a body is found on the banks of the River Thames and Litefoot's post-mortem reveals that it is actually a highly detailed wooden mannequin, their most dangerous adventure begins.
Romana attempts to fend off the playful advances of young Tommy Creighton. All is peaceful and idyllic except for the warning of astrologer Madame Arcana, and the fact that personal items are being stolen from the hotel's guests.
One story about their trip to a world covered in water, where a human expedition is being wiped out. It's a battle to survive, as the travelers face the horrors of the drowned world.
A visitor from beyond the stars needs to explore Jamie's past, and discover what went wrong. What happened in the year 1688, when the TARDIS landed in London, and the Doctor, Jamie and Zoe were welcomed into the court of King James II.
The planet Peladon has joined the Galactic Federation, and has undergone a painful period of change. Still eager to embrace alien culture, King Peladon has welcomed refugee Ice Warriors to his world.
As the TARDIS arrives on the Myriad, the Doctor and Romana are just in time to see the crew achieve their goal. Or so they think - Death stalks the corridors of the ship.
Vislor Turlough is piloting a stolen ship through a pocket universe on a mission that is strictly forbidden by the Doctor. He would be going it alone, but there is unwelcome company in the form of Huxley who is recording Turlough's life.