Chroma-Key - S4.E20

Super holds the Super Dave recollection contest, where audience members get a chance to win shirts and hats by watching video clips of previous stunts and answering detail questions. One of the contestants has to perform a balancing act. A man from the audience, Eddie Rice, tells a joke about a prize cat before sending it to Mike Walden. Donald and Super hold a class in filmmaking, where they show how chroma-works with a blue screen, by using equipment in their special trailer to do overlays. Super will do his demonstration by diving from a scaffold into a chroma-key blue bag which is overlaid with a film of water to make it look like he is diving into a pool.