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- What episode does Tennant regenerate?
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- Why did the 11th Doctor regenerate so fast?
- Who is the Doctor after David Tennant?
- Does the doctor remember after regeneration?
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- What killed the 12th Doctor?
- Will David Tennant ever be the doctor again?
- Who played the doctor the longest?
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- How many times can doctor who regenerate?
How did Dr Who regenerate 13 times?