Santa Claus Conquers The Martians (1964) on Tubi
This is what my brothers and I consider the weirdest Christmas movie of all time.
It's has some three stooges comedy, children working longing to work the factory, and a delightfully festive and unhinged plot, and is a scathing review of what the 1960's thought the future could be.
P.S. There's also a Rifftrax version which I have not seen.
P.P.S the movie is in the public domain!
my favourite part was the hilariously inconsistent and terrible makeup for the martians. i swear, its like they filmed all the scenes in a random order in one sweaty afternoon with no breaks to touch it up.
I was laughing early on when one of their moustaches was falling off