The Doctor and his companion Sarah Jane find themselves in 15th-century Italy before the Doctor departs for Gallifrey, alone, where the Master is setting in motion a ploy to destroy the planet.
When the Doctor lands on a planet at war, the Doctor befriends warrior Leela , who becomes his new companion. Their travels lead them to encounter killer robots and a scheming Chinese magician in Victorian London.






The Doctor and Sarah arrive in Renaissance Italy unaware that they have brought with them.
The Mandragora energy combines forces with the secret Brotherhood of Demnos.
Hieronymous plots to eliminate the threat posed by the Doctor and uses an unwitting Sarah as his weapon.
As the leading scholars of the era assemble in the palace for the masque, Mandragora prepares to attack.
Sarah Jane is knocked unconscious by a rock-breaking explosion and is taken to hospital.
The fossilised hand is now in the possession of a technician called Driscoll at Nunton Power Station.
Eldrad persuades the Doctor to take him back to Kastria, so that he might reclaim his heritage.
Eldrad reconfigures his body to its final, male form. Furious with finding his world dead.
After a premonition of murder, the Doctor returns home to Gallifrey.
The Time Lord president has been assassinated and the Doctor is the prime suspect.
The Doctor has entered the computation Matrix to prove his innocence.
The Doctor has won his fight in the Matrix and revealed the assassin.
The Doctor arrives on an alien world and is taken captive by the savage Sevateem tribe.
With the Sevateem against him, the Doctor attempts to win their trust by facing the trial of the Horta.
Penetrating the barrier with Leela, the Doctor enters the spaceship which is controlled by the Tesh.
Determined to rectify his earlier mistake, the Doctor tries to repair Xoanon.
The TARDIS takes the Doctor and Leela to a huge, mobile sand mine on an alien world.
The Doctor and Leela are blamed for the murder of one of the sandminer’s crew.
One of the crew is the insane Taren Capel, who is using robots to carry out the murders.
The Doctor and Leela join forces with the surviving crew members to defend themselves from the robots.
London, the 1890s. A spate of disappearances amongst young women goes largely unnoticed.
The Doctor and Leela take refuge at the home of Professor Litefoot.
Leela takes the opportunity to track the Chinese God to his lair where she must confront one of his terrifying creations.
The Doctor and Leela attend Li H'Sen Chang's performance, hoping to confront the magician.
The Doctor and his allies try to track down Weng-Chiang.
The Doctor and Weng-Chiang have their final confrontation in the mysterious House of the Dragon -- watched by the evil duplicitous Mr.
Fourth Doctor
Tom Baker
Sarah Jane Smith
Elisabeth Sladen
Count Federico
Jon Laurimore
Captain Rossini
Antony Carrick
Giuliano
Gareth Armstrong
Marco
Tim Pigott-Smith
Hieronymous
Norman Jones
High Priest
Robert James
Brother
Brian Ellis
Soldier
Pat Gorman
Guard
James Appleby
Guard
John Clamp
Pikemen
Peter Walshe
Pikemen
Jay Neill
Entertainer
Stuart Fell
Fourth Doctor
Tom Baker
Sarah Jane Smith
Elisabeth Sladen
Dr. Carter
Rex Robinson
Intern
Renu Setna
Abbott
David Purcell
Zazzka
Roy Pattison
King Rokon
Roy Skelton
Professor Watson
Glyn Houston
Driscoll
Roy Boyd
Miss Jackson
Frances Pidgeon
Elgin
John Cannon
Eldrad
Judith Paris
Kastrian Eldrad
Stephen Thorne
Fourth Doctor
Tom Baker
The President
Llewellyn Rees
Chancellor Goth
Bernard Horsfall
Castellan Spandrell
George Pravda
Cardinal Borusa
Angus MacKay
The Master
Peter Pratt
Commentator Runcible
Hugh Walters
Co-ordinator Engin
Erik Chitty
Commander Hilred
Derek Seaton
Gold Usher
Maurice Quick
Time Lord
John Dawson
Time Lord
Michael Bilton
Solis
Peter Mayock
Fourth Doctor
Tom Baker
Leela
Louise Jameson
Li H'sen Chang
John Bennett
Henry Gordon Jago
Christopher Benjamin
Casey
Chris Gannon
Professor Litefoot
Trevor Baxter
Mr. Sin
Deep Roy
Sergeant Kyle
David McKail
P.C. Quick
Conrad Asquith
Buller
Alan Butler
Ghoul
Patsy Smart
Lee
Tony Then
Coolie
John Wu
Weng-Chiang
Michael Spice
Teresa
Judith Lloyd
Cleaner
Vaune Craig-Raymond
Singer
Penny Lister
Ho
Vincent Wong