A ForgottenTrope, except among fans of movie serials. This refers to the practice of editing a FilmSerial into a single movie. Generally disowned both by fans of movies and of serials, since a lot of material has to be removed.
CompilationMovie is a modern relative. FixupNovel is the literary equivalent.
No examples necessary, since it's not hard to find [[http://thenostalgialeague.com/olmag/serfeat.html full lists]] on the Internet and any list of examples would just be copied from one of them.