The four spinoffs features the First Doctor's companions Vicki, Susan, Stephen and Dodo Chaplet. Three Doctor Who actors who appeared in the first Doctor Who series are making a comeback.

"The Savages", the penultimate story of Season 3, sees the Doctor (William Hartnell), Steven (Peter Purves) and Dodo (Jackie Lane) arrive on a world with two groups of people: the Elders and the ...