The Doctor returns to Metebelis 3 where he must face the spiders’ ruler, the Great One.
Sarah makes a bargain with the Queen Spider and returns to Earth with the Doctor.
The Doctor is in a coma and Sarah is held prisoner in the spiders’ larder.
Following Lupton, Sarah is accidentally transported to Metebelis 3 where she is captured.
Lupton, now under the control of a giant spider, steals the blue Metebelis crystal.
The Doctor receives a mysterious package from his old companion, Jo Grant.
The Doctor and the miners fight to reclaim Peladon from the Ice Warriors.
Commander Azaxyr and his Ice Warriors are revealed as traitors, in league with Galaxy 5.
The Ice Warriors have taken control of Peladon, so the Doctor plans to defeat them.
The Doctor attempts to expose the fraud of Aggedor’s ghost.
Chancellor Ortron sentences the Doctor and Sarah to be punished by Aggedor.
The Doctor makes a return visit to Peladon some years after his previous visit.
The Daleks prepare to launch a deadly plague missile that will kill everyone on Exillon.
Dalek weapons are useless due to the power drain so they make a truce with the Doctor.
The TARDIS suffers a power drain and is forced down on the planet Exxilon.
Dinosaurs are all over London as Professor Whitaker initiates ‘Operation Golden Age’.
Sarah discovers that the spaceship passengers are all victims of a deception.
The Doctor is framed for causing the appearance of the dinosaurs.
The Doctor captures a Tyrannosaurus Rex as Sarah falls into enemy hands.
The Doctor plans to capture a dinosaur and discover who is bringing them through time.
The Doctor and Sarah return to London but find the city deserted.
His ship repaired, Linx prepares to take off as the Doctor races to stop history changing.
Linx is providing advanced weaponry to Irongron and his men.
The Doctor discovers that the alien is a Sontaran warrior called Linx.
Scientists go missing and the Doctor learns that the kidnapper is an alien from the past.