The newly regenerated Fifth Doctor is joined by Adric, an alien from E-Space, Nyssa, whose homeworld has recently been destroyed, and Tegan, who stumbled upon the TARDIS by accident on her way to Heathrow Airport.
Trying to get Tegan back home, the Doctor and his companions face off against The Master, the terrifying Mara, the Terileptils, the Plasmatons, Monarch and the revamped Cybermen, making a triumphant return






The newly-regenerated fifth Doctor must rely on his friends to survive as the regeneration threatens to fail.
The Master reveals to the trapped Adric that he has a further trap set for the Doctor.
Nyssa and Tegan follow the trail of blood away from the Cabinet, trying to find the Doctor.
Realising the true nature of Castrovalva's reality, The Master, seeing all is lost, flees to his TARDIS.
The arrival of the TARDIS is observed by three Urbankans via their manopticon devices.
Aboard the Urbankan ship, a Grecian philosopher reveals a bizarre secret about Monarch and his methods.
Panicking, Tegan accidentally pilots the TARDIS into space, while Lin Fitu betrays the Doctor and Bigon.
Nyssa and Bigon keep the Urbankans distracted and Adric decides exactly whose side he is on.
On the planet Deva Loka it is almost paradise with a year-round temperate climate and non-hostile natives.
The Doctor and Todd are locked in a cell, while Adric manages to persuade Hindle he's on his side.
The Doctor observes that the Kinda have a sense of humor, but Hindle is unamused.
Tegan confesses the contents of her dream suspecting that a Mara has passed into the real world through her.
In a 17th Century English village a comet explodes in the night sky and the villagers are attacked.
Discovering an energy barrier in a cellar wall, the group are attacked by a figure dressed as the grim reaper.
Adric manages to escape while Tegan is brought under the complete control of the Terileptil.
The Terileptil heads to the city of London to enact his deadly plan, leaving Tegan to do his bidding.
The Cranleighs ask the Doctor to play cricket and then join them for a masked ball.
The Doctor stands accused, despite Lady Cranleigh knowing he is innocent.
Deadly androids are protecting a bomb buried beneath the Earth from all investigation.
With her crew vanishing mysteriously, Captain Briggs assumes the Doctor is the guilty party.
The Cybermen are released from their silos and are on the march, attacking Briggs's crew.
The Doctor realises the freighter is now a huge bomb and sends it back through time.
A Concorde passenger jet seemingly vanishes on its final approach to Heathrow Airport.
The Doctor must try to work out why the mysterious Kalid has drawn them into the Jurassic period on Earth.
Deep inside the citadel, the Doctor discovers the legendary Xeraphin who were believed to have been wiped out long ago.
The Doctor must try and return the Concorde passengers back to their own time.
Fifth Doctor
Peter Davison
Tegan Jovanka
Janet Fielding
Nyssa
Sarah Sutton
Adric
Matthew Waterhouse
Richard Mace
Michael Robbins
Android
Peter van Dissell
The Squire
John Savident
Charles
Anthony Calf
Ralph
John Baker
Elizabeth
Valerie Fyfer
Villager
Richard Hampton
Miller
James Charlton
Terileptil
Michael Melia
Poacher
Neil West
Headman
Eric Dodson
Fifth Doctor
Peter Davison
Nyssa
Sarah Sutton
Ann
Sarah Sutton
Tegan Jovanka
Janet Fielding
Adric
Matthew Waterhouse
Lady Madge Cranleigh
Barbara Murray
Sir Robert Muir
Moray Watson
Lord Charles Cranleigh
Michael Cochrane
Brewster
Brian Hawksley
Tanner
Timothy Block
Latoni
Ahmed Khalil
The Unknown
Gareth Milner
Sergeant Markham
Ivor Salter
Constable Cummings
Andrew Tourell
George Cranleigh
Gareth Milner
Fifth Doctor
Peter Davison
Scott
James Warwick
Kyle
Clare Clifford
Tegan Jovanka
Janet Fielding
Nyssa
Sarah Sutton
Adric
Matthew Waterhouse
Walters
Steve Morley
Snyder
Suzi Arden
Mitchell
Ann Holloway
First Trooper
Anne Clements
Second Trooper
Mark Straker
Cyber Leader
David Banks
Briggs
Beryl Reid
Berger
June Bland
Ringway
Alec Sabin
Cyber Lieutenant
Mark Hardy
First Crew Member
Mark Fletcher
Second Crew Member
Christopher Whittingham
Fifth Doctor
Peter Davison
Nyssa
Sarah Sutton
Tegan Jovanka
Janet Fielding
Captain Stapley
Richard Easton
Flight Engineer Scobie
Keith Drinkel
First Officer Bilton
Michael Cashman
Horton
Peter Dahlsen
Sheard
Brian McDermott
Captain Urquhart
John Flint
Andrews
Peter Cellier
Angela Clifford
Judith Byfield
Kalid
Leon Ny Taiy
Professor Hayter
Nigel Stock
The Master
Anthony Ainley
Adric
Matthew Waterhouse
Anithon
Hugh Hayes
Zarak
Andre Winterton