The main character or characters has amnesia in a situation which would be trivially easy to handle if they could remember how to deal with it, but is extremely dangerous because they can't. Often a sign of writers desperate for plot ideas -- not always, because there have been some good stories on these lines, but usually. It's especially common in sci-fi and fantasy shows, because they have plenty of Applied Phlebotinum lying around to explain the fact that the amnesia's so precise. Compare Drama-Preserving Handicap, contrast Forgot About His Powers. Examples of Amnesia Danger include: