Spectrox Toxaemia
Why Did the 5th Doctor Regenerate in Doctor Who?

Explore why the 5th Doctor regenerated due to spectrox toxaemia after his heroic actions on Androzani Minor in Doctor Who.

Regeneration Pain
Why Did the 10th Doctor Leave Doctor Who? Explained

Discover why the 10th Doctor, played by David Tennant, left Doctor Who after saving Wilfred Mott and facing regeneration.