No comedy should be longer than 90 minutes. There's no such thing as a good long joke.
Thanksgiving is my favorite holiday because I don't have to do anything except bring wine and go to my sister's all day and go to the movies with the family. So, actually, Thanksgiving is my favorite holiday, but there's not much comedy material on Thanksgiving. Melatonin really isn't that funny.
Many hundred-million-dollar Hollywood comedies aren't any good. They're trying to shock you.