Robin Williams and Billy Crystal's scene in Friends was unscripted.
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During its run, Friends was no stranger to cameos. The series had many guest stars over the years, ranging from extras trying to make ends meet to some of the most recognizable faces in Hollywood. A-listers ranging from Brad Pitt, Reese Witherspoon, Jeff Goldblum and even Gary Oldman, each of the actors who made an appearance topped it before them.
Although it's only natural that some cameos will be more impressive than others. There was one specific performance in the series that managed to outshine all others. Not because of the show itself, but because of the story behind it.
Robin Williams and Billy Crystal managed to impress the entire fandom with their one-minute performance, and their talent is to thank for that.
