Doctor: You cut my hand off. And now I know what sort of man I am. I’m lucky ’cause quite by chance, I’m still within the first 15 hours of my regeneration cycle. Which means I’ve got just enough residual cellular energy to do this. (his hand regenerates)
Doctor: Time Lord.
From Doctor Who – Season 2 Episode 0: ‘The Christmas Invasion’ (2×00) | Produced by BBC