Pulp fiction the whole film as it's not really linear.
Reservoir dogs ending.
Battle royale resistance start up at the end.
Full metal jacket with the kid.
Harold and kumar go to white castle
The way back (not so much the ending but the best movie I have seen in a very long time)
Pineapple express in the diner
12 monkeys
Truman show

Both really funny endings
Snatch
Lock stock