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    This "Sherlock"/"Doctor Who" Fan Trailer Is Everything You've Ever Wanted And More

    Someone get Steven Moffat on the phone because this crossover needs to happen, pronto.

    Paula Ersly
    by Paula Ersly

    Community Contributor

    View this video on YouTube
    Youtube user ThePteryx / Via youtube.com

    "What if your own mind is your worst enemy?"

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