Can a yawn, like a cold, truly be caught? Does toast really fall buttered-side down? Could a toy car beat a real car (in this case, a Dodge Viper) in a gravity slope race?
Cast of Is Yawning Contagious?
Adam SavageSelf - Host
Jamie HynemanSelf - Host
Kari ByronSelf - Host
Tory BelleciSelf - Host
Grant ImaharaSelf - Host
Robert LeeSelf - Narrator (voice)
Andrew FarrellDirector / Producer
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