First Official 'Doctor Who' 50th Anniversary Special Trailer Leaks

Earlier this evening, BBC Spain posted the trailer for the "Doctor Who" 50th Anniversary Special and according to BuzzFeed, "The trailer was originally posted on the BBC Spain Facebook page. It was up for approximately 30 minutes and has since been taken down." But not before the trailer was grabbed and posted for us to enjoy.

Brace yourselves, fans, this is huge! There are many first looks and it's chock full of mystery; including a look at the last Time War, awesome shots of Gallifrey, a first look at the "lost" Doctor and the return of Bad Wolf! Also, what is Elizabeth I running from? Check it out here before it disappears!

Don't forget to #SaveTheDate and watch November 23 at 2:50 p.m. ET.