There were nine seasons of "Seinfeld" that we were fortunate to sit and laugh through, but for the cast themselves, it's impressive they managed to make it through an episode without breaking character and cracking a smile. For side-splitting superior, Jerry, one guest star who had him laughing uncontrollably on more than one occasion was Bryan Cranston, who played dentist Tim Whatley . In an interview with The Rich Eisen Show , Cranston, the man responsible for giving us the term "re-gifting," revealed that one of his best moments opposite the comedy legend was an off-the-cuff idea that wasn't even his own. It simply came from one of the set crew members chiming in with a suggestion during a break between takes.

While filming season 6, episode 19, "The Jimmy," Jerry visits Tim fo

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