MythBusters - S03E04 Is Yawning Contagious?

Myths tested:

Can a toy car beat a Dodge Viper in the 1/4 mile?

Is yawning contagious?

Does buttered toast always land buttered side down?

mythbusters, myth, buster, discovery channel, jamie hyneman, adam savage, documentary, series, watch, online, video, film, top, free, doc, documentation, movie, download, yawning, contagious, dodge, viper, beat, toy, car, toast, butter