Doctor Who (Original Series) Fourth Doctor 7 Series 42 Serials 178 Episodes Rated: PG
The Fourth Doctor was portrayed by Tom Baker. He is, to date, the actor who has played the Doctor on television for the longest period of time, having held the role for seven seasons.

Destiny of the Daleks
	1	Destiny of the Daleks (Part 1)
	2	Destiny of the Daleks (Part 2)
	3	Destiny of the Daleks (Part 3)
	4	Destiny of the Daleks (Part 4)
City of Death
	5	City of Death (Part 1)
	6	City of Death (Part 2)
	7	City of Death (Part 3)
	8	City of Death (Part 4)
The Creature from the Pit
	9	The Creature from the Pit (Part 1)
	10	The Creature from the Pit (Part 2)
	11	The Creature from the Pit (Part 3)
	12	The Creature from the Pit (Part 4)
Nightmare of Eden
	13	Nightmare of Eden (Part 1)
	14	Nightmare of Eden (Part 2)
	15	Nightmare of Eden (Part 3)
	16	Nightmare of Eden (Part 4)
The Horns of Nimon
	17	The Horns of Nimon (Part 1)
	18	The Horns of Nimon (Part 2)
	19	The Horns of Nimon (Part 3)
	20	The Horns of Nimon (Part 4)
Shada [Unbroadcast Serial]
	21	Shada (Part 1)
	22	Shada (Part 2)
	23	Shada (Part 3)
	24	Shada (Part 4)
	25	Shada (Part 5)
	26	Shada (Part 6)