* The First Doctor (1963-1966)

** Season 1
  + An Unearthly Child				S B I	  +Susan Foreman
  + The Daleks					| | |	  +Barbara Wright
  + The Edge of Destruction			| | |	  +Ian Chesterton
  + (Marco Polo)				| | |
  + The Keys of Marinus				| | |
  + The Aztecs					| | |
  + The Sensorites				| | |
  + The Reign of Terror				| | |
						| | |
** Season 2					| | |
  + Planet of Giants				| | |
  + The Dalek Invasion of Earth			* | |
  + The Rescue					  | | V	  +Vicki
  + The Romans					  | | |
  + The Web Planet				  | | |
  + (The Crusade)				  | | |
  + The Space Museum				  | | |
  + The Chase					S * * |	  +Stephen Taylor
  + The Time Meddler				|     |
						|     |
** Season 3					|     |
  + Galaxy Four					|     |
  + (Mission to the Unknown)			|     |
  + (The Myth Makers)				| K   *	  +Katarina
  + (The Daleks' Master Plan)			| x Sx	  +Sara Kingdom
  + (The Massacre of St Bartholomew's Eve)	|     D	  +Dodo Chaplet
  + The Ark					|     |
  + (The Celestial Toymaker)			|     |
  + The Gunfighters				|     |
  + (The Savages)				*     |
  + The War Machines				  P B *	  +Polly
						  | |	  +Ben Jackson
** Season 4					  | |
  + (The Smugglers)				  | |
  + The Tenth Planet				  | |
					          : :

* The Second Doctor (1966-1969)
						  P B	   Polly
** Season 4 (cont.)				  : :	   Ben Jackson
  + The Power of the Daleks			  | |
  + (The Highlanders)				J | |	  +Jamie McCrimmon
  + The Underwater Menace			| | |
  + The Moonbase				| | |
  + The Macra Terror				| | |
  + The Faceless Ones				| * *
  + The Evil of the Daleks			|     V	  +Victoria Waterfield
						|     |
** Season 5					|     |
  + The Tomb of the Cybermen			|     |
  + (The Abominable Snowmen)			|     |
  + The Ice Warriors				|     |
  + The Enemy of the World			|     |
  + The Web of Fear				|     |
  + Fury from the Deep				|     *
  + (The Wheel in Space)			| Z	  +Zoe Heriot
						| |
** Season 6					| |
  + The Dominators				| |
  + The Mind Robber				| |
  + The Invasion				| |
  + The Krotons					| |
  + The Seeds of Death				| |
  + (The Space Pirates)				| |
  + The War Games				* *


* The Third Doctor (1970-1974)

** Season 7
  + Spearhead from Space			L	  +Elizabeth Shaw
  + Doctor Who and the Siluarians		|
  + The Ambassadors of Death			|
  + Inferno					*

** Season 8
  + Terror of the Autons			J	  +Jo Grant
  + The Mind of Evil				|
  + The Claws of Axos				|
  + Colony in Space				|
  + The Daemons					|
						|
** Season 9					|
  + Day of the Daleks				|
  + The Curse of Peladon			|
  + The Sea Devils				|
  + The Mutants					|
  + The Time Monster				|
						|
** Season 10					|
  + The Three Doctors				|
  + Carnival of Monsters			|
  + Frontier in Space				|
  + Planet of the Daleks			|
  + The Green Death				*

** Season 11
  + The Time Warrior				S	  +Sarah Jane Smith
  + Invasion of the Dinosaurs			|
  + Death to the Daleks				|
  + The Monster of Peladon			|
  + Planet of the Spiders			|
						:

* The Fourth Doctor (1974-1981)
						S	  +Sarah Jane Smith
** Season 12					:
  + Robot					| H	  +Harry Sullivan
  + The Ark in Space				| |
  + The Sontaran Experiment			| |
  + Genesis of the Daleks			| |
  + Revenge of the Cybermen			| |
						| |
** Season 13					| |
  + Terror of the Zygons			| *
  + Planet of Evil				|
  + Pyramids of Mars				|
  + The Android Invasion			|
  + The Brain of Morbius			|
  + The Seeds of Doom				|
						|
** Season 14					|
  + The Masque of Mandragora			|
  + The Hand of Fear				*
  + The Deadly Assassin
  + The Face of Evil				L	  +Leela
  + The Robots of Death				|
  + The Talons of Weng-Chiang			|
						|
** Season 15					|
  + Horror of Fang Rock				|
  + The Invisible Enemy				| K	  +K-9
  + Image of the Fendahl			| |
  + The Sun Makers				| |
  + Underworld					| |
  + The Invasion of Time			* :
						  |
** Season 16 (The Key to Time)			  |
  + The Ribos Operation				R |	  +Romanadvoratrelundar
  + The Pirate Planet				| |	     `Romana'
  + The Stones of Blood				| |
  + The Androids of Tara			| |
  + The Power of Kroll				| |
  + The Armageddon Factor			| |
						| |
** Season 17					| |
  + Destiny of the Daleks			: |
  + City of Death				| |
  + The Creature from the Pit			| |
  + Nightmare of Eden				| |
  + The Horns of Nimon				| |
  + Shada					| |
						| |
** Season 18					| |
  + The Leisure Hive				| |
  + Meglos					| |
  + Full Circle					| | A	  +Adric
  + State of Decay				| | |
  + Warriors' Gate				* * |
  + The Keeper of Traken			    | N	  +Nyssa
  + Logopolis					T   | |	  +Tegan Jovanka
						:   : :

* The Fifth Doctor (1981-1984)
						T   A N	   Tegan Jovanka
** Season 19					:   : :	   Adric
  + Castrovalva					|   | |    Nyssa
  + Four to Doomsday				|   | |
  + Kinda					|   | |
  + The Visitation				|   | |
  + Black Orchid				|   | |
  + Earthshock					|   x |
  + Time-Flight					|     |
						|     |
** Season 20					|     |
  + Arc of Infinity				|     |
  + Snakedance					|     |
  + Mawdryn Undead				| T   |	  +Vislor Turlough
  + Terminus					| |   *
  + Enlightenment				| |
  + The King's Demons				| | K     +Kamelion
						| | |
** (Special)					| | |
  + The Five Doctors				| | |
						| | |
** Season 21					| | |
  + Warriors of the Deep			| | |
  + The Awakening				| | |
  + Frontios					| | |
  + Resurrection of the Daleks			* | |
  + Planet of Fire	      			  * x P	  +Perpugilliam `Peri'
  + The Caves of Androzani			      |	     Brown
						      |
* The Sixth Doctor (1984-1986)			      |
						      |
** Season 21 (cont.)				      |
  + The Twin Dilemma				      |
						      |
** Season 22					      |
  + Attack of the Cybermen			      |
  + Vengeance on Varos				      |
  + The Mark of the Rani			      |
  + The Two Doctors				      |
  + Timelash					      |
  + Revelation of the Daleks			      |
						      |
** Season 23 (The Trial of a Time Lord)		      |
  + The Mysterious Planet			      |
  + Mindwarp					      x
  + Terror of the Vervoids			M	  +Melanie Bush
  + The Ultimate Foe				|
						:

* The Seventh Doctor (1987-1989)
						M	  +Melanie Bush
** Season 24					:
  + Time and the Rani				|
  + Paradise Towers				|
  + Delta and the Bannerman			|
  + Dragonfire					* A	  +Dorothy `Ace'
						  |	     McShane Gale
** Season 25					  |
  + Remembrance of the Daleks			  |
  + The Happiness Patrol			  |
  + Silver Nemesis				  |
  + The Greatest Show in the Galaxy		  |
						  |
** Season 26					  |
  + Battlefield					  |
  + Ghost Light					  |
  + The Curse of Fenric				  |
  + Survival					  *