I loved the homage to the original in Young Frankenstein... The little girls says "What should we throw in now?" followed by a close up of Peter Boyle's thoughtful expression.
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I think "Young Frankenstein" is among the best, if not the best, Brooks film. The uncredited cameo by Gene Hackman is wonderful. In fact, every performance in the film is wonderful. I've seen that thing so many times, and can do the dialogue before the actors, it's still funny to me.