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Flynn Is on a Mission to the Past in This Exclusive Librarians Finale Clip

Now we know where the TARDIS will end up!

Shelli Weinstein

They've met Santa Claus, fought Frankenstein's monster and gotten trapped in a video game's reset cycle, yet somehow, The Librarianshave yet to encounter time travel.

On Sunday's epic finale, that's all going to change.

When the Librarians learn that Prospero is on a mission to destroy the world's technology in order to create his own utopian world, Flynn (Noah Wyle) and Eve (Rebecca Romijn) must travel back to 1611 as Cassandra (Lindy Booth), Ezekiel (John Kim) and Stone (Christian Kane) take on the Shakespearean villain in the present.

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So what does one need to travel back five centuries? A time machine, of course! Take a look at the clip below to learn the fate of the world's time machines, including a certain British police box and a Delorean.

"All their owners tried to change history," says Flynn, warning of what happens when one tries to alter the past.

The Librarians Season 2 finale airs Sunday at 8/7c on TNT.