They sneak up you when you're watching a movie and a real touching scene comes along and all of a sudden tears are streaming down your cheeks. Hallmark movies are infested with onion ninjas.
We were watching the movie Crash when that little girl ran outside to give her daddy the "invisible cloak" just as the angry Persian guy shot at him, and we all thought he had shot Michael Pena's daughter--only to discover the Persian guy's daughter had earlier put blanks in his gun...oh boy, did the onion ninjas sneak up on everyone when we learned the little girl was OK.