Two movies, same scenario: Moments before a scheduled execution, just as the blade or gas pellet is set to deliver its fatal blow, the hero bursts into the room and carries the victim to safety.

If Gerard Butler isn't the reason you want to see "London has Fallen," then the fact that it's a sequel to "Olympus has Fallen" probably is. Check out what critics are saying. London has Fallen Poster ...

Now, a quiz: Which exchange is from London Has Fallen, the sequel to the White House–under-siege thriller Olympus Has Fallen, and which is the last line from the movie-within-a-movie in Robert ...