Is Yawning Contagious?
Season 3 • Episode 15
Adam and Jamie try to determine whether toast really does fall buttered side down. Kari, Scottie and Tory set out to see if yawning is contagious. The whole team tests the myth that a toy car can beat a real car in a gravity slope race.
43 min|TV-PG|Premiered 03/18/2010