The Babadook is a movie where: 

Does The Babadook belong on any of these other lists?

a person is burned alive Add
it was all just a dream Add
it's the future Add
someone shaves Add
the Bechdel test passes Add
the minority/LGBT dies first Add
the Wilhelm scream is used Add
there are FREAKING CLOWNS! Add
there are strobe effects Add
there's a post-credits scene Add
there's a shower scene Add
there's eye/finger/toe mutilation Add
there's product placement Add
they break the fourth wall Add
they say "duty" or "do do" Add
time travel is used Add