With the launch of series 8 and the Peter Capaldi era next month, I thought I’d make a few lists about Doctor Who regenerations. I hope you find these entertaining.
Regenerated due to old age:
Hartnel – Troughton (1 – 2)
Hurt – Eccleston (War – 9)
Smith – Capaldi (11 – 12)
Regenerated due to violent trauma
T. Baker – Davison (4 – 5)
C. Baker – McCoy (6 – 7)
McCoy – McGann (7 – 8)
McGann – Hurt (8 – War)
Tennant – Tennant (10 – 10)
Regenerated after the Doctor was declared dead on screen
McCoy – McGann (7 – 8)
McGann – Hurt (8 – war)
Regenerated after chemical or radiation poisoning
Pertwee – T. Baker (3 – 4)
Davison – C. Baker (5 – 6)
Eccleston – Tennant (9 – 10)* – close enough
Tennant -Smith (10 – 11)
Regenerated with human witnesses
Hartnell – Troughton (1 – 2)
Pertwee – T. Baker (3 – 4)
T. Baker – Davison (4 – 5)
Davison – C. Baker (5 – 6)
C. Baker – McCoy (6 – 7)* Human unconscious
Eccleston – Tennant (9 – 10)
Tennant – Tennant (10 – 10)
Smith – Capaldi (11 – 12)
Regenerated with Time Lord witnesses
Troughton – Pertwee (2 – 3)
McGann – Hurt (8 – War)
Regenerated with no witnesses
McCoy – McGann (7 – 8)
Hurt – Eccleston (War – 9)
Tennant – Smith (10 – 11)
Forced or assisted regenerations
Troughton – Pertwee (2 – 3)
McGann – Hurt (8 – War)
Smith – Capaldi (11 – 12)* – remember this required a new set of regenerations
Regenerated inside the TARDIS
Hartnell – Troughton (1 – 2)
Troughton – Pertwee (2 – 3)* – based on Pertwee stumbling out of the TARDIS
Davison – C. Baker (5 – 6)
C. Baker – McCoy (6 – 7)
Hurt – Eccleston (War – 9)
Eccleston – Tennant (9 – 10)
Tennant – Tennant (10 – 10)
Tennant – Smith (10 – 11)
Smith – Capaldi (11 – 12)
Regenerated due to actor – production conflicts
C. Baker – McCoy (6 – 7)
Eccleston – Tennant (9 – 10)
Regenerated outdoors
T. Baker – Davison (4 – 5)
McGann – Hurt (8 – War)*- in a cave, close enough
Regenerated inside a building
Pertwee – Baker (3 – 4)
McCoy – McGann (7 – 8)
Regenerated with only one actor present
Troughton – Pertwee (2 – 3)
C. Baker – McCoy (6 – 7)
McGann – Hurt (8 – War)
Hurt – Eccleston (War – 9)
Regenerated after remembering companions
T Baker – Davison (4 – 5)
Davison – C. Baker (5 – 6)
McGann – Hurt (8 – War)
That’s all I can think of at the moment. Feel free to add more in the comments.