Obscure Or Odd Movies You Like Anyway

And we can't forget Forbidden Planet!

It's a hoot watching Leslie Neilson as a serious actor, and finding some of the most inappropriate times to insert your own dialog with some of his more famous lines...
Surely you can't be serious?
I am serious. And don't call me Shirley.
or
Nice beaver!
Thanks. I just had it stuffed.
Which obvioulsy brings up some more classics...
Airplane!
ANY of the Naked Gun movies.