7:00 PM - Jay Leno: The Mark Twain Prize
Series: Sid The Science Kid
Episode: I Have Muscles Where?
When Sid's Dad tells him a really funny joke, Sid laughs so hard that his face hurts. Sid wonders why his face would hurt if the joke was funny? When Sid and his friends investigate at school, they learn that they have muscles all over their bodies, even in their faces!
Length:28 minutes 46 seconds