WILLIAM HARTNELL--1st Doctor (1963-66)
--------------------------------------
1st season :	A    "An Unearthly Child"
		B    "The Daleks"
		C    "The Edge of Destruction"
		D    "Marco Polo" 
		E    "The Keys of Marinus"
		F    "The Aztecs"
		G    "The Sensorites"
		H    "The Reign of Terror"

2nd season:	J    "Planets of Giants"
		K    "The Dalek Invasion of Earth"
		L    "The Rescue"
		M    "The Romans"
		N    "The Web Planet"
		P    "The Crusade"
		Q    "The Space Museum"
		R    "The Chase"
		S    "The Time Meddler"

3rd season:	T    "Galaxy Four"
		T/A  "Mission to the Unknown"
		U    "The Myth Makers"
		V    "The Dalek Masterplan"
		W    "The Massacre"
		X    "The Ark"
		Y    "The Celestial Toymaker"
		Z    "The Gunfighters"
		2A   "The Savages"
		2B   "The War Machines"

4th season: 	2C   "The Smugglers"
		2D   "The Tenth Planet"


PATRICK TROUGHTON--2nd Doctor (1966-69)
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		2E   "The Power of the Daleks"
		2F   "The Highlanders"
		2G   "The Underwater Experiment"
		2H   "The Moonbase"
		2J   "The Macra Terror"
		2K   "The Faceless Ones"
		2L   "The Evil of the Daleks"

5th season:	2M   "The Tomb of the Cybermen"
		2N   "The Abominable Snowmen"
		2O   "The Ice Warriors"
		2P   "The Enemy of the World"
		2Q   "The Web of Fear"
		2R   "Fury of the Deep"
		2S   "The Wheel in Space"

6th season:	2T   "The Dominators"
		2U   "The Mind Robbers"
		2V   "The Invasion"
		2W   "The Krotons"
		2X   "The Seeds of Death"
		2Y   "The Space Pirates"
		2Z   "The War Games"



JON PERTWEE--3rd Doctor (1970-74)
---------------------------------
7th season:	3A   "Spearhead from Space"
		3B   "The Silurians"
		3C   "The Ambassadors of Death"
		3D   "Inferno"

8th season:	3E   "Terror of the Autons"
		3F   "The Mind of Evil"
		3G   "The Claws of Axos"
		3H   "Colony in Space"
		3J   "The Daemons"

9th season:	3K   "Day of the Daleks"
		3M   "The Curse of Peladon"
		3L   "The Sea Devils"
		3N   "The Mutants"
		3O   "The Time Monster"

10th season:	3R   "The Three Doctors"
		3P   "Carnival of Monsters"
		3Q   "Frontier in Space"
		3S   "Planet of the Daleks"
		3T   "The Green Death"

11th season:	3U   "The Time Warrior"
		3W   "Invasion of the Dinosaurs"
		3X   "Death to the Daleks"
		3Y   "The Monster of Peladon"
		3Z   "Planet of Spiders"


TOM BAKER--4th Doctor (1974-81)
-------------------------------
12th season:	4A   "Robot"
		4B   "The Ark in Space"
		4C   "The Sontaran Experiment"
		4D   "Genesis of the Daleks"
		4E   "Revenge of the Cybermen"
	
13th season:	4F   "Terror of the Zygons"
		4H   "Planet of Evil"
		4G   "Pyramids of Mars"
		4J   "The Android Invasion"
		4K   "The Brain of Morbius"
		4L   "The Seeds of Doom"

14th season:   	4M   "The Masque of Mandragora"
		4N   "The Hand of Fear"
		4P   "The Deadly Assassin"
		4Q   "The Face of Evil"
		4R   "Robots of Death"
		4S   "The Talons of Weng-Chiang"

15th season:	4V   "The Horror of Fang Rock"
		4T   "The Invisible Enemy"
		4X   "The Image of Fendahl"
		4W   "The Sunmakers"
		4Y   "The Underworld"
		4Z   "The Invasion of Time"

16th season:	5A   "The Ribos Operation"
		5B   "The Pirate Planet"
		5C   "The Stones of Blood"
		5D   "The Androids of Tara"
		5E   "The Power of Kroll"
		5F   "The Armegeddon Factor"

17th season:   	5J   "Destiny of the Daleks"
		5H   "City of Death"
		5G   "The Creature from the Pit"
		5K   "Nightmare of Eden"
		5L   "The Horns of Nimon"
		5M   "Shada"
		
18th season:	5N   "The Leisure Hive"
		5Q   "Meglos"
		5R   "Full Circle"
		5P   "State of Decay"
		5S   "Warrior's Gate"
		5T   "The Keeper of Traken"
		5V   "Logopolis" 



PETER DAVISON--5th Doctor (1982-84)
-----------------------------------
19th season:	5W   "Castrovalva"
		5X   "Four to Doomsday"
		5Y   "Kinda"
		5Z   "The Visitation"
		6A   "The Black Orchid"
		6B   "Earthshock"
		6C   "Time Flight"

20th season:	6E   "Arc of Infinity"
		6D   "Snakedance"
		6F   "Mawdryn Undead"
		6G   "Terminus"
		6H   "Enlightenment"
		6J   "The Kings Demons"
		6K   "The Five Doctors"

21st season:	6L   "Warriors of the Deep"
		6M   "The Awakening"
		6N   "Frontios"
		6P   "Ressurection of the Daleks"
		6Q   "Planet of Fire"
		6R   "The Caves of Androzani"


COLIN BAKER--6th Doctor (1984-86)
---------------------------------
		6S   "Twin Dilemma"

22nd seaso:	6T   "Attack of the Cybermen"
		6V   "Vengence on Varos"
		6X   "The Mark of the Rani"
		6W   "The Two Doctors"
		6Y   "Timelash"
		6Z   "Revalation of the Daleks"

23rd season:	(Trial of a Time Lord)
		7A   "The Mysterious Planet"
		7B   "Mindwarp"
   		7C   "Terror of the Vervoids" 	
         	7C   "The Ultimate Foe"

	<<18 month hiatus>>


SYLVESTER MCCOY--7th Doctor (1987- ?)
-------------------------------------
24th season:	7D   "Time and the Rani"
		7E   "Paradise Towers"
		7F   "Delta and the Bannermen"
		7G   "Dragonfire"

25th season: 	7H   "Remembrance of the Daleks"
		7L   "The Happiness Patrol"
		7K   "Silver Nemesis"
		7J   "The Greatest Show in the Galaxy"