Almost everyDoctor Whoepisode this season has centered on the concept of family.
Despite her misgivings about meddling in personal timelines, the Doctor gives in.
Its a risk, the Doctor cautions.

Credit: Ben Blackall/BBC AMERICA
Oh, like none of our other trips have ever been risky, Graham says.
I have apologized for the death-eyed turtle army!
Their eldest brother died, while Brem remains haunted by what he saw.
Manish, meanwhile, has become radicalized in the absence of his brothers.
(Just as with Rosa, the real villain wasnt aliens but human prejudice.)
Brem is destined to die in the conflict, allowing his bride of only a few hours to escape.
To save Brem is to rewrite history, potentially erasing Yaz from existence.
Odds and ends
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