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...

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.

In this release, famous impressionist Jon Culshaw takes on the role of commanding officer Brigadier Alistair Gordon Lethbridge-Stewart and Ian McNeice reprises his role of Winston Churchill. 6.1 Poison of the Daleks by Guy Adams. UNIT have been seconded to handle security at Breathe Industries' revolutionary new air filtration plant. The Doctor is initially dismissive...but when a man seems to appear out of thin air and die, his curiosity is piqued.The Doctor soon discovers that the plant is connected to another time, another place.Stranded with Jo, the Brigadier and Benton on a distant planet, the Doctor discovers the terrible truth behind Breathe Industries' new technology. His oldest enemies, the Daleks. Can even the Doctor and UNIT manage to save two worlds at the same time?6.2 Operation:Hellfire by Jonathan Barnes When the Doctor accepts an invitation to an audience with a popular horror writer, he's expecting a rather dull evening. But he quickly senses the presence of another Gallifrey an nearby. The Time Lords have a mission for him.Soon the Doctor and Jo find themselves at the height of the Second World War in 1943. Caught up in a struggle involving occultist Nazis, the Prime Minister, top secret agencies and a mysteriously powerful amulet, they must distinguish friend from foe and avoid sacrifice upon the altar of evil.Cast: Tim Treloar (The Doctor), Katy Manning (Jo Grant), Jon Culshaw (Brigadier Lethbridge Stewart), John Levene (Sergeant Benton), Nicholas Briggs (The Daleks), Ian McNeice (Winston Churchill), Terry Molloy (Sir Davenport Finch), Samuel Clemens (Hegley), Mark Elstob (Wing Commander Douglas Quilter), Beth Goddard (Sally), Elli Garnett (Davis-Hunt), Clive Hayward (Brock/Roboman/Frasi), Abigail McKern (Skwoj/Ari), Alexandria Riley (Red), Jeany Spark (Daisy Chapel)