Spoilers

Rosebud is a sled.
Darth Vader is Luke's father.
Boomer is a Cylon.
You're Darth Revan.
The kid's the killer.
Snape kills Dumbledor.
Qui-Gon Jinn dies.
She's really a guy.
Verbal Kint is Keyser Soze.
Norman Bates did it.
The planet is really Earth in the distant future.
Soylent Green is people.
Magneto loses his power - mostly.
Wolverine kills Jean Grey.
Bruce Willis as a kid watched his adult self get gunned down.
Henry Fonda convinces everyone the kid is not guilty.
The closeted military neightbor kills Kevin Spacey.
Holden and Allysa break up after he tries to wrangle himself a 3-way with Banky.
Caitlin has sex with the dead old guy.
Bethany is the Last Scion.
Dante and Randall buy the Quick Stop/RST Video.
Bunny was never kidnapped.

Brad Pitt and Ed Norton are the same person.

Nicole Kidman and the kids are really dead.
Alec Guinness blows up the bridge.
Ashton Kutcher strangles himself as a fetus/tells Amy Smart's younger self he hates her.
Jesus comes back to life.

Bruce Willis is dead.

Mr. Glass is the villain.

The aliens are allergic to water.

It's really modern day.

ET goes home.

Michael kills Fredo.

The shark eats Quint.

Gollum bites off Frodo's finger and falls into Mt. Doom.

He dies in the end.

She dies in the end.

It was all a dream.

It was all in his head.

He survives the night but is mistaken for a zombie and shot in the head.

Milton burns down the building and goes to Mexico with the travelers checks.

Jules finds God.

Mr. Pink survives.

Shaun and Liz survive.

Red gets parole and finds Andy.

- Nitty Gritty Litter