The fifteenth season of British science fiction television series
Doctor Who began on 3 September 1977 with the episode Horror of Fang
Rock, and ended with The Invasion of Time.Tom Baker and Louise Jameson
continue their roles as the Fourth Doctor and Leela. K9, played by
John Leeson, makes his first appearance during the second serial The
Invisible Enemy. Louise Jameson makes her final appearance as Leela in
The Invasion of Time.Graham Williams took over as producer from Philip
Hinchcliffe. Robert Holmes was replaced as script editor by Anthony
Read, during The Sun Makers. The season took a short transmission
break of two weeks over the Christmas 1977 period, between the
broadcasts of The Sun Makers and Underworld. Doctor Who (season 15) Biography, NetWorth, Height, Age, Weight, Family, Married, Son, Daughter