Tardis

Spoilers are precisely defined here. Rules vary by the story's medium. Info from television stories can't be added here until after the top or bottom of the hour, British time, closest to the end credits roll on BBC One. Therefore, fans in the Americas who are sensitive to spoilers should avoid Tardis on Sundays until they've seen the episode.

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Tardis
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Tardis

Mnemosine recall-wipe vapour was a substance used to induce amnesia or erase memories in a subject, like Torchwood Three's retcon pill or a memory worm; given its name, it was gaseous. River Song used it when she went to see incarnations of the Doctor which came before the first one she met (from her point of view) to not contaminate the timeline. (GAME: The Eternity Clock)

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