It started with the poster that now iconic image of Heath and Jake casting glances downward, easily and effectively spoofed with Photoshop and some nostalgic inspiration. But then it graduated to full-fledged mash-up trailer parodies. Simple enough: Take another homoerotic big screen pairing, add the wistful, lingering guitar theme, add a few Meaningful titles, and voila instant laughs.

But then we saw Chocolate Cake City's Brokeback To The Future, and all the others immediately fell away as we realized: This was the one. Watch in amazement as the Back to the Future trilogy is recast as a forbidden love affair between Marty McFly and Doc Brown. Time passes, and rewinds, and passes again, but nothing can tear them apart not even a whiny, jealous Mary Steenburgen. As is always the case with these things, the devil is in the details: Even though you know it's coming, we dare you not to laugh after the brief pause that finally brings the two movie's logos together.

• [Chocolate Cake City]

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