There's an interesting scene if you watch American Psycho backwards were Patrick Bateman telepathically lifts a chainsaw from a woman's head several stories below.

If you watch a seth rogan movie backwards it's always a story about guys who are clearing their heads by blowing out smoke and then inhaling it. They still laugh. A lot.

And if you… hold on its 3am … my brain isn't working fully, I'm going to sleep. But actually, one last thing…
If you spell Dmitri Martin's 224 word palindrome backwards you get Dmitri Martin's 224 word palindrome

If you watch some 80's comedy special from HBO, it's about a joke that was later stolen verbatim and posted on the internet.

AND if you watch Napoleon Dynamite backwards….Um….ye-ah…*cough*

and if you watch star wars backwards its about a benevolent dictatorship that can builds planets out of nothing, and brings people back to life with a telepathic Heimlich maneuver.