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

Security Protocol 712 was a security feature aboard the Doctor's TARDIS which would cause the ship to dematerialise and re-appear at a predetermined point in space and time without its pilot when activated. It could be programmed to be triggered by different events or objects such as Sally Sparrow's DVDs (TV: Blink) or the activation of the echelon circuit. (TV: Before the Flood) A holographic recreation of the incumbent Doctor would generally be projected to inform anyone within the TARDIS of the protocol being activated.

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