The third season of British science fiction television series Doctor
Who began on 11 September 1965 with the story Galaxy 4 and ended on 16
July 1966 with The War Machines. Only 17 out of 45 episodes survive in
the BBC archives; 28 remain missing. As a result, only 3 serials are
complete.William Hartnell continues his journey as The First Doctor,
accompanied by companions Vicki (Maureen O'Brien) and Steven Taylor
(Peter Purves). In the third story The Myth Makers, Vicki departed and
was replaced by Katarina (Adrienne Hill). Katarina's tenure was brief,
with the character being killed in episode 4 of the following story,
The Daleks' Master Plan. In some companion lists, Sara Kingdom (Jean
Marsh) is included as a companion, though her appearances were limited
to later episodes of the serial The Daleks' Master Plan.Dodo Chaplet
(Jackie Lane) joined the Doctor and Steven in the next serial, The
Massacre of St Bartholomew's Eve. There were no changes in the primary
cast until Steven's departure in the penultimate story, The Savages.
In the final story The War Machines, Dodo also departs, and the Doctor
was joined by Polly (Anneke Wills) and Ben (Michael Craze). Like the
previous season, the cast of companions had changed from start to
finish. Doctor Who (season 3) Biography, NetWorth, Height, Age, Weight, Family, Married, Son, Daughter