Probably the most surprising ending for a movie that I've seen is Arlington Road with Jeff Bridges and Tim Robbins. Didn't see that coming. Also Die Hard is a good one where the guy you think is dead comes back and the cop who'll "never pull his gun again" kills him. AWESOME!
__________________
Remember, remember, the 5th of November
I'm afraid I must bid you adieu.
He woke up one night with a terrible fright
And found he was eating his shoe.
Remember, remember, the 5th of November
I'm afraid I must bid you adieu.
He woke up one night with a terrible fright
And found he was eating his shoe.