3x06 Is Yawning Contagious?
First Aired: Mar. 09, 2005 on Discovery Channel
Summary: Everyone knows that laughing is contagious. But what about yawning? In this episode the Mythbusters and "Mythbuilders" test:-If Yawning is contagious.-They test the urban legend that says that he buttered side of a toasts always ends up "facing" the floor when the toast falls-Finally, they…
Guest Stars[no credits found]