Although the world wasn't exactly thrilled with 2008's Indiana Jones and the Kingdom of the Crystal Skull, a fifth installment in the series might happen sooner rather than later.

Pirates of the Caribbean: On Stranger Tides is crashing into theaters, and already has its work cut out for it: the last three films in the franchise were profitable, although the third got mixed reviews compared to the first two. But if history is any indication, On Stranger Tides has more to overcome: the fourth film in a sci-fi series has a long tradition of bombing, sometimes so hard that it blows up the entire franchise.

A lot of people criticize sci-fi shows for making small errors, like when shadows are different between two shots, and we try to give those a pass. But then there are the errors so blatant we HAVE to sit up and take notice. We have absolutely no explanation for why nobody caught these hilarious goofs in classic sci-fi films and TV programs.

At least, if Harrison Ford has his way he will: The actor has told George Lucas and Steven Spielberg of his desire to kill off the adventurous Dr. Jones in the next chapter. And this wouldn't be the first time Ford has tried to off one of his own beloved characters.