A lone surviving Sontaran from the failed conversion of Planet Earth wants revenge for the deaths of his comrades.

A lone surviving Sontaran from the failed conversion of Planet Earth wants revenge for the deaths of his comrades.

Trouble is brewing at Spellman's Magical Museum of the Circus when a group of people join hands and block the entrance the the museum... but they let Sarah Jane in, what is this mystery all about?

A fraudulent astrologer named Martin Trueman is hit by an extraterrestrial body and begins to impress everyone with his uncanny predictions. However, what he predicts for Sarah Jane is far from pleasant...

Clyde threatens Sarah but they manage to talk him out of it, which leads Sarah Jane to believe that Trueman's control on people can be repressed by persuading them to do something that they do not normally want to do. Meanwhile, using in his broadcast to the world, Martin Trueman takes over each star sign one by one, starting with Gemini - including Rani's mother. The world is in confusion as people are accepting the 'Ancient Lights'.

Luke is going for a sleepover at Clyde's house whilst Sarah Jane goes away for the weekend, during which Clyde's estranged father Paul turns up hoping to get to know his son. Meanwhile Rani discovers that one of her classmates is in possession of a strange locket, that can be used to control people.

With Clyde's father Paul possessed by the alien pendant, he takes Clyde off for some fun. With a little help from some old friends, Rani and Luke try and track them down, leading to a waterside confrontation with the Berserker

When Sarah Jane finds a time fissure, her curiosity leads her to go through it and she finds herself in 1951, in the village of Foxgrove, where she was born. Eager to see the parents she never knew, she makes a decision that will have catastrophic consequences

With the Earth devastated under the control of the Trickster, Sarah Jane and Luke go back to 1951 and change things back to how they were- which means that Sarah Jane's parents must die. Will she make that sacrifice?

Mrs Wormwood returns to see Sarah Jane- but to ask help. The Bane have turned against Mrs Wormwood and are preparing to unleash a dark power against the universe. However, to thwart the Bane's plan, Sarah Jane must call upon an old friend

Luke's dreams are being tormented by visions of Mrs. Wormwood. The Sontarans are back for revenge. Sarah Jane must once agian call on an old friend.