Attempting to return to UNIT HQ, the Doctor (Tom Baker) and Sarah land in England in 1911, where an ancient force is preparing to return and wreak destruction on the Universe. Sutekh the Destroyer, last of the Osirans, is planning to free himself from his prison on Mars. His robot Mummies are building a rocket to destroy the device which holds him prisoner and If he isn't stopped, there is not a force in the Universe which can stand against him.

Another adventure for everyone's favourite Time Lord. The Doctor (Jon Pertwee) and Jo (Katy Manning) travel to Stangmoor prison to investigate a machine which can remove evil from the minds of criminals. However, the man behind the scheme - Professor Kellerman - is in fact the Doctor's arch-nemesis, the Master (Roger Delgado), and is planning to disrupt a United Nations peace conference. Inside the Master's machine is an alien parasite which can make people see their greatest fears, and is growing stronger all the time. Can the Doctor stop both the Master and the unearthly parasite?

The last adventure to star Jon Pertwee. To save the Universe, the Doctor must travel to the planet Metebelis Three, where he discovers an invasion plan of Earth by the Metebelis Spiders, under the leadership of the Great One. To save the planet the Doctor must absorb a lethal dose of radiation, triggering his third regeneration...

Two classic Doctor Who adventures set on the planet of Peladon, starring Jon Pertwee as the Third Doctor, with Katy Manning as his companion in the first story and Elisabeth Sladen in the second. In the four-parter 'The Curse of Peladon' (1972), the Doctor (Pertwee) finally seems to have escaped his exile to Earth when he manages to transport Jo (Manning) in the Tardis to the planet Peladon. The pair are mistaken for Earth delegates at a conference to decide whether Peladon should join the Galactic Federation, and discover that someone is attempting to use the legendary royal beast of Aggador to trigger off a war. In the six-parter 'The Monster of Peladon' (1974), the Tardis arrives on the Planet of Peladon half a century after the Doctor's first visit. The planet has now become of great tactical importance because of its focal position between warring factions. The Doctor and Sarah (Elisabeth Sladen) have to act as peacekeepers between rival ambassadors and they must also find the truth behind 'the spirit'.

Another adventure for the intrepid space/time traveller. The Doctor (Tom Baker) has returned the TARDIS to his home planet of Gallifrey, but why has he forbidden Leela (Louise Jameson) to accompany him? Why, upon claiming the Presidency, does he expel every senior Time Lord to the outer wastes? And what plan is he hatching with the hostile Vardans? The only people he seems to have taken into his confidence are K9 and Chancellor Borusa, but whatever game the Doctor is playing, he has reckoned without the return of an old foe... This story marks the departure from the series of Leela and K9 Mark 1.

Another adventure for everyone's favourite Time Lord. A may-day call to the Doctor (Tom Baker) and Sarah takes them to the outermost horizons of the Universe where they find a Morestran military expedition stranded on a remote planet. The Doctor has to battle an anti-matter monster, the unstable Morestran Commander Salamar, and scientist Professor Sorenson, who is transforming into a deadly Anti-man.

Another adventure for everyone's favourite time-traveller. The Doctor (Tom Baker), Romana and K9 find themselves suspected of being drug smugglers when they arrive on the Empress, a luxury liner. The Empress has become merged with another craft, the Hecate, after colliding during a hyperspace jump. Somebody on board the Empress is smuggling Vraxoin, a deadly addictive drug, and matters are complicated still further when the Mandrells, a race of monsters being transported from the planet Eden, are let loose on board the ship.

Double bill of classic 'Doctor Who' television serials. 'Invasion of the Dinosaurs' (1975) is the last storyline to feature Jon Pertwee as the Doctor. When a group of scientists who want to return the Earth to a time before technology use dinosaurs to try and force people to flee the cities, the Doctor and Sarah Jane Smith (Elisabeth Sladen) set out to stop them. In 'The Android Invasion' (1975) the Doctor (now played by Tom Baker) and Sarah Jane believe that they are back on Earth when the TARDIS lands near what seems to be a peaceful English village. But why is the local pub deserted? And who are the spacesuit-wearing figures with guns for fingers? The intrepid pair set out to discover the truth.

A collection of classic Doctor Who episodes featuring Tom Baker and Jon Pertwee in the role of the Doctor. In the four-parter 'The Horns of Nimon', the Skonnon ships have returned to the skies of Aneth, demanding tribute. But as the final consignment is being taken to Skonnos, an accident forces the ship off course. In the six-parter 'The Time Monster', a new invention to transport matter through time creates a number of disturbing distortions in the temporal fabric. The Doctor (Jon Pertwee) investigates, and soon finds himself up against his nemesis, The Master, in a battle to control a powerful sacred crystal. In the four-parter 'Underworld', the TARDIS lands the Doctor (Tom Baker) in a Minyan spaceship that is on a quest to find the Minyan race banks stored in a missing ship known as the P7E. They eventually find what they are looking for in a cave system at the centre of a newly-formed planet. But the P7E's computer has ideas of its own, and doesn't look kindly upon its new visitors.

The Doctor is on a mission, travelling back to the middle ages to locate some missing scientists. He is, however, seriously inconvenienced when he meets a Sontaran warrior. Jon Pertwee stars.

The entire second season of the 1970s BBC sci-fi series. 'Redemption' sees Orac's prediction of the Liberator's destruction looking likely to be fulfilled when the ship's original owners arrive and take the rebels prisoner. In 'Shadow', Blake becomes involved with an interplanetary crime syndicate. 'Weapon' sees Blake and crew set out to steal a deadly 'delayed-effect' gun, which Servalan also wishes to possess. In 'Horizon', the Liberator heads for the edge of the Galaxy, only to be taken prisoner on the planet Horizon. 'Pressure Point' sees Blake attempting to destroy the Federation's control centre, only to walk into a trap set by Travis. In 'Trial', Travis is made a scapegoat by Servalan for their failure to capture Blake. 'Killer' sees Blake and his crew stumbling upon a derelict spaceship whilst on a mission to crack the Federation's new transmission code. The craft houses a deadly plague which could threaten the existence of the entire universe. In 'Hostage', Travis tries to trap Blake by kidnapping his cousin, Inga. 'Countdown' sees Blake and crew coming to the aid of the planet Albian, whose population are dying from radiation poisoning. In 'Voice from the Past', a telepathic signal forces Blake to reroute the Liberator to an asteroid where Travis lies in wait. Whilst 'Gambit' sees Blake, Cally and Jenna visit a gambling world to find the man who knows the location of the Federation's Star One. Avon and Villa, meanwhile, choose to take Orac on an illicit gambling spree. In 'The Keeper', Blake tries to obtain the key to Star One from a tribal chief on the planet Goth. However, Travis has beaten him to it. Finally, 'Star One' sees Blake at last launch his attack on the Federation's headquarters, unaware that an alien fleet is poised to invade.