Season 15 (Doctor Who 1963)

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The fifteenth season of Doctor Who ran between 3 September 1977 and 11 March 1978. This season introduced K9 to the series and saw the departure of Leela. It consisted of six serials and twenty-six episodes. It was originally intended to include Terrance Dicks story The Vampire Mutations but, due to a major BBC production of Dracula, it was postponed, it later became Season 18's State of Decay. To replace it Dicks quickly scripted Horror of Fang Rock.

Television stories

#	Title	Writer	Episodes	Notes
1	Horror of Fang Rock	Terrance Dicks	4
2	The Invisible Enemy	Bob Baker Dave Martin	4	First appearance of K9 Mark I
3	Image of the Fendahl	Chris Boucher	4
4	The Sun Makers	Robert Holmes	4
5	Underworld	Bob Baker Dave Martin	4
6	The Invasion of Time	David Agnew, aka Anthony Read Graham Williams	6	Final appearance of Leela and K9 Mark I; introduction of K9 Mark II

Main cast

• The Fourth Doctor - Tom Baker
• Leela - Louise Jameson (leaves the The Invasion of Time)
• K9 Mark I - John Leeson (voice; introduced The Invisible Enemy, leaves The Invasion of Time)

Adaptations and merchandising

Home media

VHS

• Horror of Fang Rock
• The Invisible Enemy
• Image of the Fendahl
• The Sun Makers
• Underworld
• The Invasion of Time
• The Tom Baker Years (excerpts of all the stories)

DVD

• Horror of Fang Rock (2005)
• The Invisible Enemy (2008)
• Image of the Fendahl (2009)
• The Sun Makers (2011)
• Underworld (2010)
• The Invasion of Time (2008)

Novels

• Doctor Who and the Horror of Fang Rock
• Doctor Who and the Invisible Enemy
• Doctor Who and the Image of the Fendahl
• Doctor Who and the Sunmakers
• Doctor Who and the Underworld
• Doctor Who and the Invasion of Time

External links

• BBC website guide to Season 15