favorite WTF endings

[bob]

complete and utter random craziness at the end of the a movie that doesn't seem to make any sense but you like it anyways

to me Monty Python and the Holy Grail

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and

this unholy mess at the end of Casino Royale (1967) in Spanish!

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are my favorite out there random movie endings that I like

[indianasmith]

CEMETERY MAN - No spoilers, but it must be seen to be believed!

[A_Dubya]

Night of the Living Dead (original)

Life of Brian (thanks bob)

Mulholland Drive (the whole film is WTF for me)

Men In Black 1

Clockwork Orange (I just wanted more)

[bob]

I need to add Sharknado 5 to this after last night 

[Jim H]

Pieces.  Just..  What?

[javakoala]

Pieces.  Just..  What?

Lamberto Bava's MACABRE has a similar ending, so maybe PIECES was either copying or referencing Bava's work.

[kakihara]

The Audition - one of my favorites from one of my favorite directors. This movie is extremely slow and brooding, which i appreciate. You could say that the movie boring and hard to get thru if you have a short attention span.  Ive forced a few people to sit thru it and watched the expression on their face change from absolute bordom to shock at the end of the movie.

[Chainsawmidget]

Christmas Evil. 

Why is his van suddenly flying?

[bob]

I'm gonna add Adaptation to the list

[dean]

Big Man Japan (Dainipponjin) - Mostly a mockumentary about a man who when electrocuted has the power to grow into the size of a tall building to fight Kaiju-like monsters trying to destroy Tokyo. Slow burn and awkward character work for the most part as everybody hates him and he struggles with his role and his unpopularity. Has a few CGI battles thrown in but the film ends with the fight against the final monster and is pretty insane in it's slight pivot of style from CGI graphics to... not...

I could actually add pretty much any Matsumoto films to this list, especially R100, except they're WTF all the way through.

[A_Dubya]

Dogtooth - the entire film.

[Trevor]

The Package (1989) has an ending that makes me go 

Sleazy Colonel (to limo driver) "Why are we stopping, Sergeant?"
Sergeant: Sorry sir, just checking the map. [Shoots his passengers dead]
Me: 

[Fox Sake]

The wormhole journey to a parallel universe in the much underrated New Zealand SF film - "The Quiet Earth"

[Alex]

The ending to the first Saw movie. I just did not see it coming.

[claws]

Fulci's City of the Living Dead (1980) is notorious for having one of the biggest WTF endings.