Jodie Whittaker's rumoured Doctor Who exit has everyone wondering who could succeed her in the BBC sci-fi series – but why are so many of the guesses so bad?

In this week's podcast, we take the high-risk tactic of dismissing some of the most popular theories for who could be the 14th Doctor, laying out what we think makes a good Doctor and explaining why the biggest stars in the world PROBABLY won't be battering down the door of Roath Lock Studios.

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