The First Doctor (William Hartnell)

Season 1
Season 2
Season 3
Season 4

The Second Doctor (Patrick Troughton)

Season 4
Season 5
Season 6
Season 6b

The Third Doctor (Jon Pertwee)

Season 7
Season 8
Season 9
Season 10
Season 10b
Season 11

The Fourth Doctor (Tom Baker)

Season 12
Season 13
Season 14
Season 15
Season 16
Season 17
Season 18

The Fifth Doctor (Peter Davison)

Season 19
Season 19b
Season 20
Season 21

The Sixth Doctor (Colin Baker)

Season 21
Season 22
Season 22b Missing Season
Season 23 The Trial of a Time Lord
Season 23b
Season 23x

The Seventh Doctor (Sylvester McCoy)

Season 24
Season 25
Season 26
Season 27 Timewyrm
Season 28
Season 29
Season 30
Season 31
Season 32
Season 32b

The Eighth Doctor (Paul McGann)

Season 33