The Sarah Jane Adventures - Season 4 (2010)

Mr. Dread announces that if Androvax activates the vault and returns to his planet, Earth will be destroyed. the Veil switches bodies to Gita,making her drive him to the asylum,though Rani and Clyde trick him into leaving her. the androids arrive and,whilst two of them destroy each other,Mr. Dread uses his power source to allow Androvax to escape in search of a new planet whilst the Earth remains saved. Gita's memory has to be wiped of all she has seen however and Ocean,whose remaining half of the key must never be used,persuaded that there was no alien in Ealing.

Sarah Jane is told by Colonel Tia Karim of UNIT that The Doctor is dead and so she goes with Rani and Clyde to UNIT's underground headquarters in Wales, where a rocket will fire the doctor's remains into space. Jo Jones, formerly Jo Grant, another of the doctor's friends from the past, arrives with her grandson Santiago and, like Sarah Jane, does not believe that The Doctor is dead. The three youngsters overhear the Shansheeth, giant birds who allegedly found The Doctor's body, plotting to lead the two women into a trap. Then The Doctor appears, having exchanged ...

Before he can die, The Doctor with Jo and Sarah Jane, teleports to the deserted planet. The Doctor swaps places with Clyde, who, with Rani and Santiago, is pursued by the Shansheeths and their ally, Tia Karim, who has helped them as she is bored with life on Earth. The adults return to save them but the two women are caught and held captive in a room containing the TARDIS, the Shansheeth hoping to drain their memories in order to open its door. However, The Doctor, outside the room,communes with them mentally,urging them to recall so many memories it causes overload,...

Rani and Clyde wake up to find that all electrical appliances,including Mr. Smith,have stopped working and that they seem to be the only people in the city,which is completely deserted. They meet a young boy called Gavin but he is evasive and Clyde wonders if he is all he seems. After Rani has explained that she has met aliens,Gavin runs off and,going after him,Rani and Clyde find themselves pursued by two huge robots.

After Gavin has helped them escape Rani and Clyde reason that they have been left behind because,in a previous encounter,the Judoon decreed the pair of them should never leave Earth. The robots come back and eventually communicate in English,explaining that Gavin,who thought he was an orphan,is the son of an alien king and he is to return to rule his planet in exchange for everybody who disappeared being returned. Gavin is happy to go but Rani and Clyde have some explaining to do to their elders,who,in their parallel universe,thought that they were the two who went ...

A false newspaper story of an alien sighting lures Sarah Jane and her young friends to an antique shop, whose mysterious owner tells them they must enter a time vortex and locate three separate articles from different periods of history to save the world. Clyde is washed up on the East Anglian coast in 1941 where he and evacuee George escape from a trio of invading Nazis using the object of Clyde's quest, an artefact known as Thor's Hammer, to activate their transmitter. Sarah Jane joins ghost-hunter Emily Morris in a haunted house in 1889, ending up in a room where ...

By saving Lady Jane from being assassinated Rani has altered history,alerting her to the fact that the dagger is the object of her search. Before returning to the present she comforts Lady Jane,telling her she will always be remembered and giving her courage to meet her fate. Clyde and George elude the Nazis but meet a school-mistress who turns out to be a traitor. Clyde bluffs her into believing his mobile phone is a bomb and he snatches Thor's Hammer,which would also have changed events had the Germans used it,whilst he and George lock the invaders in the church and...

Mystery woman Ruby White moves into Bannerman Road and, after an awkward start in which she appears unfriendly,she saves the lives of Sarah Jane and her young friends from an inter-galactic invasion force, revealing that she too is an alien hunter. At the same time Sarah Jane is beginning to feel weak, suffering from memory loss and mindful that she should give up her life fighting space monsters and retire. She duly hands all her knowledge, including control of Mr. Smith,over to Ruby. This proves to be a terrible mistake as Ruby herself is an alien in disguise who ...

Clyde instantly senses that Ruby is up to no good so she teleports him into a spaceship,marooning him in outer space. Luke arrives in search of his mother and learns from K9 that Ruby is a Qetesh an alien in disguise. By reprogramming Mr. Smith K9, Rani and Luke destroy Ruby's computer which allowed her to teleport Clyde and return him to Bannerman Road. They also discover where Sarah Jane is imprisoned and hurry to rescue her but Ruby is barring their escape. Fortunately Luke has learned from Mr. Smith what makes a Qetesh most vulnerable to defeat.