Season 7, Episode 18 - "Bomb Shelter"
2 April, 2006
Malcolm joins a local dance class to impress a girl, but when she loses her footing, he realizes that to win the competition he'll need a partner who can step it up. Dick, a rival student in the class who takes dancing a bit too seriously, challenges Malcolm to a dance-off. Meanwhile, Reese and Dewey discover an underground bachelor pad/bomb shelter in the backyard and lock Hal in it.

