The Doctor attempts to take Tegan home, but gets the year wrong by a few centuries and the TARDIS crew arrives in the 17th Century where they investigate a crashed space capsule occupied by three Terileptils who have escaped from prison and plan to wipe out all indigenous life on Earth. Can the Doctor stop the Terileptils from spreading their plague and killing everybody? What does the Great Fire of London have to do with anything? Will Tegan ever stop whining? Find out in the newest episode of The Doctor’s Companion! And remember, BEWARE OF SPOILERS!!
Next: Patrick Troughton and “The Ice Warriors”!!