One of the least-popular episodes of Star Trek: Voyager, focused on the character of Harry Kim, had a more permanent twist that Paramount execs did not like.
Keanu Reeves isn't ruling out a return for John Wick 5 (even after the events of Chapter 4), but he also has a specific condition that would need to be met.
Robert Downey Jr. has quite an eclectic career that spans back to his teenage years, but what are his best movies according to Rotten Tomatoes rankings?