Season 21



Season 21 of Doctor Who ran between 5th January 1984 and 30th March 1984.

Overview
The season consisted of seven serials and 24 episodes. It marked the end of Peter Davison's tenure as the Fifth Doctor. The Twin Dilemma, the first story with Colin Baker as the Sixth Doctor aired last in the season. Most episodes were the traditional 25 minute length, however due to coverage of the 1984 Winter Olympics, Resurrection of the Daleks was re-edited before airing and show as two 45-minute episodes. The Five Doctors had aired the previous autumn as a stand-alone special and celebrated Doctor Who's 20 anniversary.

Regulars

 * Fifth Doctor - Peter Davison (The Five Doctors through The Caves of Androzani)
 * Sixth Doctor - Colin Baker (Introduced in The Twin Dilemma)
 * Tegan Jovanka - Janet Fielding (The Five Doctors through Resurrection of the Daleks)
 * Vislor Turlough - Mark Strickson (The Five Doctors through Planet of Fire)
 * Peri Brown - Nicola Bryant (introduced in Planet of Fire; Planet of Fire through The Twin Dilemma)

Semi-regulars

 * The Brigadier - Nicholas Courtney (The Five Doctors only)
 * Kamelion - Gerald Flood (voice) (Planet of Fire only)
 * The Master (The Five Doctors and Planet of Fire)

VHS

 * Warriors of the Deep
 * The Awakening/Frontios
 * Resurrection of the Daleks
 * Planet of Fire
 * The Caves of Androzani
 * The Twin Dilemma

DVD

 * Warriors of the Deep (part of Beneath the Surface)
 * Resurrection of the Daleks
 * The Caves of Androzani

Novelisations

 * Warriors of the Deep
 * The Awakening
 * Frontios
 * Planet of Fire
 * The Caves of Androzani
 * The Twin Dilemma

Contemporaries
Other selected TV series launched during the 1983-84 season which included Season 21:
 * Blockbusters
 * Webster
 * Tucker's Luck
 * Night Court
 * Airwolf
 * Mike Hammer
 * Spitting Image
 * Kate and Allie
 * Thomas the Tank Engine
 * The Adventures of Sherlock Holmes