For me, it would be from the film Harry Potter and the Deathly Hallows Part 2, the scene in which they're trying to escape from the Room of Hidden Things because it's burning up. When I first saw this film, it was in a movie theatre with my dad, and at the very end of the scene, when they kick the horcrux back into the room and the three Voldemort faces emerge from the fire, my dad made an off-hand comment, something like, "Boy! What a mess!" That absolutely cracked me up. Because of that, I cannot take that scene seriously!
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"You have a responsibility to consider all sides of a problem and a responsibility to make a judgment and a responsibility to care for all involved." --Ian Danskin