So you've heard the theme song, read the (very) detailed explanation of the series, now it's time for a glimpse. Here are some clips of the Third, Fourth, Fifth, Sixth Doctors, Ninth and Tenth Doctors.
THIRD DOCTOR:
Terror Of The Autons
Carnival Of Monsters
FOURTH DOCTOR:
The Ark In Space
The Deadly Assassin
The Talons Of Weng-Chiang
The Sun Makers
FIFTH DOCTOR:
The Caves Of Androzani
SIXTH DOCTOR:
The Trial Of A Time Lord (Part 1)
The Trial Of A Time Lord (Part 2)
The Trial Of A Time Lord (Part 4)
NINTH DOCTOR:
Father's Day
TENTH DOCTOR:
Human Nature