Season 20

Season 20 of Doctor Who ran between 3rd January 1983 and 25th November 1983. It starred Peter Davison as the Fifth Doctor.

Overview
The season consisted of six serials and 22 episodes of twenty-five minutes each, plus a ninety minute 20th anniversary special, The Five Doctors broadcast as part of Children in Need. This season sees the departure of companion Nyssa and introduced Turlough. Every story of this season contained an old enemy of the Doctor in at least a minor role, as part of the 20th anniversary of the show.

Regulars

 * The Doctor - Peter Davison
 * Tegan Jovanka - Janet Fielding
 * Nyssa - Sarah Sutton (departed Terminus )
 * Turlough - Mark Strickson (introduced Mawdryn Undead )

Semi-Regulars

 * Kamelion - Gerald Flood
 * The Brigadier - Nicholas Courtney
 * The Master - Anthony Ainley
 * The Black Guardian - Valentine Dyall

the five doctor's the companions

 * First Doctor - Richard Hurndall
 * Second Doctor - Patrick Troughton
 * Third Doctor - Jon Pertwee
 * Fourth Doctor - Tom Baker
 * Fifth doctor - Peter Davison
 * Susan - Carol Ann Ford
 * Jamie McCrimmon - Frazer Hines
 * Romana 2 - Lala Ward
 * Tegan Jovanga - Janet Fielding

The Five Doctor's specials

VHS

 * Children in need/The Five doctors (extended versions)
 * The Compainons/The Five doctors(extended versions)
 * The Five Doctor's adventures
 * The Full Monty/The Five doctors (extended version)
 * Warriors of the deep/The Five Doctors(extended version)
 * The King's Demons/The Five Doctors (extended version)

Novels

 * The 1st Doctor
 * The 2nd Doctor
 * The 3rd Doctor
 * The 4th doctor
 * The Fifth doctor