The Klepton Parasites (comic story)

The Klepton Parasites was the first TV Comic story, as well as the first Doctor Who strip other than Dr What and His Time Clock. It featured the First Doctor, and introduced two new companions for the comic, his grandchildren, John and Gillian.

Summary
On Earth, John and Gillian meet their grandfather, the Doctor. They travel in the TARDIS to the 30th century, where the Kleptons are attacking the peaceful Thains. The travellers help them repel the invaders, follow the Kleptons to their secret underwater city and defeat their plans.

Characters

 * First Doctor
 * John and Gillian
 * Valda
 * Klepton One
 * Kleptons
 * Thains

Continuity

 * The Kleptons reappear in COMIC: Prisoners of the Kleptons|PROSE: Placebo Effect.