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

The TARDIS arrives on a planet where a savage tribe called the Sevateem worship a god called Xoanon. The Doctor discovers that Xoanon is in fact a spaceship computer that he tried to repair at some point in his past and inadvertently drove mad by giving it a multiple personality.

The TARDIS arrives on the planet Oseidon where the alien Kraals have created an exact replica of the English village of Devesham and its nearby Space Defence Station and populated it with androids in order to rehearse for an invasion attempt. A human astronaut, Guy Crayford, has been duped into collaborating with them.

The Doctor faces death for galactic meddling.

The high council reviews evidence.

Trapped in a world unlike any other he has seen, the Doctor faces the greatest challenge of his many lives; pursued by the fearsome creature known only as the Veil, he must attempt the impossible; if he makes it through, Gallifrey is waiting.

Returning to Gallifrey, the Doctor faces the Time Lords in a struggle that takes him to the end of time itself.

Madame de Pompadour finds the court at Versailles under attack by sinister clockwork killers and her only hope of salvation lies with the Doctor.

When people start to disappear, a young woman finds cryptic messages bleeding through from a mysterious stranger called the Doctor.

The newly regenerated Doctor and Amy Pond must save the world in less than 20 minutes from galactic policemen known as the Atraxi.

When the Doctor and Amy travel to France to meet Vincent van Gogh, they learn that an invisible alien is menacing the artist.

The Judoon, trigger-happy space police, are targeting 21st-century Gloucester; the Doctor, Yaz, Ryan, and Graham race back to Earth to prevent them from doing too much damage to the cathedral city.

While the Doctor is locked away in an alien prison, Yaz, Ryan and Graham discover a disturbing plan involving the Daleks.

The Doctor's dangerous past comes back to haunt him and threatens reality.

When the TARDIS lands in a restricted area of a gas refinery off the Dover coast, the Doctor and his companions learn there is something sinister in the pipes.

Stemming from The Green Death series, the Doctor realizes the consequences from keeping the blue crystal found on Meteblis 3. Meanwhile, Sarah is asked to investigate a suspicious transcendental meditation group.

A group of spider-triplets are commanded to retrienve a blue crystal which was taken by the Doctor. However, various other parties have an interest in the crystal as well, putting the Doctor and friends in a precarious position.

The Doctor hopes to rescue his partner Sarah on Metebelis 3 and is given the ultimatum of returning the blue crystal to empress Great One or see all of mankind destroyed. Weighing his options, the Doctor considers his own life.

The Doctor returns the blue crystal to the spider empress, Great One, and realizes the power she gets from having it may not be a good thing. He must now face his inner demons and greatest fears if there is going to be resolution.

While an exhausted Doctor falls asleep, a robot steals blueprints for a disintegrator gun.

The Doctor helps the Brigadier investigate the culprit behind a series of crimes.

The Doctor and Sarah realize that Hilda Winters, a director for Think Tank, programmed the robot that stole a disintegrator gun. The organization planned to start a nuclear war, eventually win and rule the world.

While Think Tank hides in a bunker waiting for the nuclear holocaust to begin, the Doctor is in a frantic effort to stop the organization from achieving their goal of world domination.