The TARDIS lands in Renaissance Italy, where Dr. Who becomes involved with nobility, sorcery and evil. Tom Baker, Elisabeth Sladen. Count: Jon Laurimore. Rossini: Antony Carrick.

In 2084, Dr. Who becomes involved in an undersea battle between Earthlings and Silurians and Sea Devils. Tegan: Janet Fielding. Turlough: Mark Strickson. Solow: Ingrid Pitt. Nilson: Ian McCulloch.

The Doctor is forced to land on Karfel, where the evil Borad plots to replace the inhabitants with a mutated life form. Peri: Nicola Bryant. Borad: Robert Ashby. Tekker: Paul Darrow. Vena: Jeananne Crowley.

Dr. Who returns to Gallifrey and finds himself accused of plotting to kill the President (Llewellyn Rees). Hildred: Derek Seaton. Master: Peter Pratt. Goth: Bernard Horsfall.

The planet Karn is home both to a mystic Sisterhood, whose sacred flame produces an elixir of life, and to Mehendri Solon, a fanatical scientist who is using the remnants of spaceship crash victims to put together a new body for the still-living brain of the executed Time Lord criminal Morbius.

The Doctor and Romana uncover a drug-smuggling operation and set out to find the source of Zip, the most dangerous drug in the universe. Lalla Ward. Rigg: David Daker. Della: Jennifer Lonsdale. Tryst: Lewis Fiander.

The Doctor tries to prevent Count Grendel from being crowned King of Tara.

Mad scientist Mehendri Solon is building a body from spare parts to house the disembodied brain of the evil Time Lord Morbius. He fancies the Doctor's head as the final piece.

The TARDIS suffers a power drain and is forced down on the planet Exxilon. Sarah is captured by the primitive inhabitants and the Doctor comes face to face with his oldest enemies.

The TARDIS lands on a seemingly tranquil planet that a team of scientists hopes to colonize. Peter Davison, Janet Fielding. Sanders: Richard Todd. Hindle: Simon Rouse. Panna: Mary Morris.

The TARDIS suffers a power drain and is forced down on the planet Exxilon. Sarah is captured by the primitive inhabitants and the Doctor comes face to face with his oldest enemies.

The Doctor and Romana are enjoying a holiday in Paris, 1979, when they become aware of a fracture in time. During a visit to the Louvre to see da Vinci's Mona Lisa, the Doctor purloins from a stranger, Countess Scarlioni, a bracelet that is actually an alien scanner device.

The TARDIS lands on a seemingly tranquil planet that a team of scientists hopes to colonize. Peter Davison, Janet Fielding. Sanders: Richard Todd. Hindle: Simon Rouse. Panna: Mary Morris.

It is 1953 and the coronation of Queen Elizabeth II is taking place, but beneath the celebrations there are rumours of monsters on the streets.

Part 1. Rose is trapped in the orbit of a black hole; something ancient beneath the planet's surface begins to awaken.

Part 2. As Rose battles the murderous Ood, the Doctor finds his every belief being challenged to the core as the Pit beckons.

A man named Elton is plunged into a world of living nightmares when he becomes obsessed with the Doctor, Rose and their mysterious blue box.

The Doctor plans to show Rose the London Olympics in 2012; a mother hides her daughter's unearthly powers.

The human race rejoices as ghosts of loved ones return home; an invasion force threatens modern day Earth.

Two mighty armies wage war across the Earth; terror emerges from beneath Torchwood Tower; the Doctor faces a dilemma.

No sooner has the Doctor said a tear-stained farewell to Rose Tyler than he finds himself face-to-face with a woman dressed in a fluffy white wedding frock. Who is she? Who is she supposed to be marrying? And how did she get on board the TARDIS?

The Doctor and Martha are transported into danger.

Witches cast a spell on the Doctor and Martha.

The Doctor takes Martha to the planet New Earth in the future where the streets are ruled by sinister pharmacists.

Part 1. The TARDIS lands in 1930s New York, where people are disappearing from the streets.

Part 2. The Doctor forms a deadly alliance to save humanity.

Turning back the clock has consequences.

As a spaceship hurtles towards the sun, the Doctor and Martha have just 42 minutes to save the day.

Part 1. The Doctor finds an unusual hiding place.

Part 2. Smith and Jones are under siege.

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

Capt. Jack storms back into the Doctor's life; the Tardis travels to the end of the universe.

Part 1. Harry Saxon becomes Prime Minister, but has dark ambitions.

Part 2. With The Doctor imprisoned by The Master, Martha endeavors to save the world.

Kylie Minogue joins Doctor Who to play Astrid, a waitress on a doomed spaceship that eerily resembles the Titanic. When a meteor hits, Astrid and The Doctor must protect the survivors from and prevent the whole ship from crashing to Earth.

Donna is determined to find the Doctor, even if it means braving Miss Foster and her hordes of Adipose.

The Doctor and Donna visit Pompeii in AD 79, on the eve of the eruption of Mount Vesuvius.

The Doctor takes Donna to her first alien world, but the Ood-Sphere reveals some terrible truths about the human race.

Part 1. Sontaran warriors set their sights on the Earth and its inhabitants.

Part 2. As poison gas suffocates the Earth's population, the Doctor and UNIT team members work to eliminate the threat.

The Doctor meets the most important woman of his life.

Agatha Christie's 10-day disappearance in 1926 may have been the result of amnesia, a nervous breakdown, or a giant alien wasp.

Part 1. The Doctor and Donna must uncover the truth behind the Nodes and the Data Ghost to uncover the library's secret.

By the shores of Lake Silencio, in Utah, all of time and space hang in the balance - because this is the day the Doctor dies.

Evacuated to a house in Dorset from war-torn London, Madge Arwell and her two children, Lily and Cyril, are greeted by a madcap caretaker whose mysterious Christmas gift leads them into a magical wintry world.

Kidnapped by his oldest foe, the Doctor is forced on an impossible mission - to a place even the Daleks are too terrified to enter...

An unmanned spaceship hurtles towards certain destruction - unless the Doctor can save it, and its impossible cargo... of dinosaurs!

The Doctor gets a Stetson and a gun, and finds himself the reluctant Sheriff of a Western town under siege by a relentless cyborg.

The Doctor and the Ponds puzzle an unlikely invasion of Earth, as millions of sinister black cubes fall from the sky overnight...

The Doctor's heart-breaking farewell to Amy and Rory - a race against time through the streets of Manhattan, as New York's statues come to life around them....

Christmas Eve 1892 and a chilling menace threatens humankind - but with the Doctor in mourning, it takes old friends and an unorthodox young governess to get him fighting to save the world again.