Doctor Who (Original Series) Third Doctor 5 Series 24 Serials 128 Episodes Rated: PG
The Third Doctor was portrayed by Jon Pertwee. Sentenced to exile on Earth and forcibly regenerated at the end of The War Games, the Doctor spent his time working for UNIT (United Nations Intelligence Taskforce). After The Three Doctors, the Time Lords repealed his exile; however, the Doctor still worked closely with UNIT from time to time. The Third Doctor regenerated into his fourth incarnation as a result of radiation poisoning in the last moments of Planet of the Spiders.

Spearhead From Space
1	Spearhead From Space (Part 1)
2	Spearhead From Space (Part 2)
3	Spearhead From Space (Part 3)
4	Spearhead From Space (Part 4)
Doctor Who and the Silurians
5	Doctor Who and the Silurians (Part 1)
6	Doctor Who and the Silurians (Part 2)
7	Doctor Who and the Silurians (Part 3)
8	Doctor Who and the Silurians (Part 4)
9	Doctor Who and the Silurians (Part 5)
10	Doctor Who and the Silurians (Part 6)
11	Doctor Who and the Silurians (Part 7)
The Ambassadors of Death
12	The Ambassadors of Death (Part 1)
13	The Ambassadors of Death (Part 2)
14	The Ambassadors of Death (Part 3)
15	The Ambassadors of Death (Part 4)
16	The Ambassadors of Death (Part 5)
17	The Ambassadors of Death (Part 6)
18	The Ambassadors of Death (Part 7)
Inferno
19	Inferno (Part 1)
20	Inferno (Part 2)
21	Inferno (Part 3)
22	Inferno (Part 4)
23	Inferno (Part 5)
24	Inferno (Part 6)
25	Inferno (Part 7)