The episode left over was later used to produce the single-episode teaser " Mission to the Unknown" in Season 3. After viewing the episodes, Head of series and serials Donald Wilson found them to be lacking in action and ordered that the final two episodes be edited into 1 episode. This season was originally intended to have 40 episodes with Planet of Giants originally shot and edited as 4 x 25 minute episodes. Verity Lambert continued in her role as producer for the entire season while Mervyn Pinfield served as associate producer until the end of The Romans. See also: List of Doctor Who episodes (1963–1989)ĭennis Spooner replaced David Whitaker as script editor after The Dalek Invasion of Earth, and edited the remainder of the season apart from The Time Meddler, which was edited by Donald Tosh.
Peter Butterworth makes his first of two appearances as the Meddling Monk in the serial The Time Meddler. At the end of the season, aside from the Doctor, the main cast had changed and would do so the following season when it finished.
The penultimate story The Chase saw the departure of Ian and Barbara, and the arrival of Steven ( Peter Purves) as a regular member of the TARDIS crew. Susan departed at the end of the second story The Dalek Invasion of Earth, and was soon replaced by Vicki ( Maureen O'Brien) in The Rescue.
William Hartnell continued his role as the First Doctor accompanied by his original companions: his granddaughter Susan Foreman ( Carole Ann Ford), and schoolteachers Ian Chesterton ( William Russell) and Barbara Wright ( Jacqueline Hill). See also: List of Doctor Who cast members Main cast