Derek goes out with Emily to make Casey jealous; Lizzie has a dance-phobia.
Life with Derek
Season 2 Episode 10: The Bet
There are way to many bets stirring up at the Macdonald/Venturi household. When Derek makes a bet with Casey and she loses she is out to prove she can win and bets Derek that she can make a boy that is the opposite of her usual liking ask...