Each scene must move the story forward in some meaningful way Matt and Trey of South Park describe this brilliantly here: http://video.nytimes.com/video/2011/

Each scene must move the story forward in some meaningful way Matt and Trey of South Park describe this brilliantly here: http://video.nytimes.com/video/2011/09/07/arts/television/100000001039812/a-clip-from-stand-in.html http://video.nytimes.com/video/2011/09/07/arts/television/10... (Just brace yourself for the annoying "OMG it's Matt and Trey" production of the clip.)