First Doctor - William Hartnell

• First Season  (Nov 63 to Sep 64)
• Second Season  (Oct 64 to Jul 65)
• Third Season  (Sep 65 to Jul 66)
• Fourth Season  (Sep 66 to Oct 66)

 
Second Doctor - Patrick Troughton

• Fourth Season  (Nov 66 to Jul 67)
• Fifth Season  (Sep 67 to Jun 68)
• Sixth Season  (Aug 68 to Jul 69)

 
Third Doctor - Jon Pertwee

• Seventh Season  (Jan 70 to Jun 70)
• Eighth Season  (Jan 71 to Jun 71)
• Ninth Season  (Jan 72 to Jun 72)
• Tenth Season  (Dec 72 to Jun 73)
• Eleventh Season  (Dec 73 to Jun 74)

 
Fourth Doctor - Tom Baker

• Twelfth Season  (Dec 74 to Apr 75)
• Thirteenth Season  (Aug 75 to Mar 76)
• Fourteenth Season  (Sep 76 to Apr 77)
• Fifteenth Season  (Sep 77 to Feb 78)
• Sixteenth Season  The Key to Time (Sep 78 to Feb 79)
• Seventeenth Season  (Sep 79 to Jan 80)
• Eighteenth Season  (Aug 80 to Mar 81)

 
Fifth Doctor - Peter Davison

• Nineteenth Season  (Jan 82 to Apr 82)
• Twentieth Season  (Jan 83 to Nov 83)
• Twenty First Season  (Jan 84 to Mar 84)

 
Sixth Doctor - Colin Baker

• Twenty First Season  (Mar 84 to Apr 84)
• Twenty Second Season  (Jan 85 to Mar 85)
• Twenty Third Season  The Trial of a Time Lord (Sep 86 to Dec 86)

 
Seventh Doctor - Sylvester McCoy

• Twenty Fourth Season  (Sep 87 to Dec 87)
• Twenty Fifth Season  (Sep 88 to Jan 89)
• Twenty Sixth Season  (Sep 89 to Jan 90)
• 30th Anniversary Special  (Sep 93)

 
Eighth Doctor - Paul McGann

• Dr. Who Movie   (May 96)

 
Ninth Doctor - Christopher Eccleston

• Twenty Seventh Season  (Mar 05 to Jun 05)

 
Tenth Doctor - David Tennant

• Twenty Eighth Season  (Dec 05 to Jul 06)
• Twenty Ninth Season  (Dec 06 to Jun 07)
• Thirtieth Season  (Dec 07 to Jul 08)