- Frankie Muniz (Malcolm)
- Jane Kaczmarek (Lois)
- Bryan Cranston (Hal)
- Justin Berfield (Reese)
- Erik Per Sullivan (Dewey)
- Christopher Masterson (Francis)
Malcolm in the Middle — S4E10
Episode: If Boys Were Girls
Air Date: 2003-02-09
Runtime: 22 min
Overview
After being rattled by a battle among the boys, a pregnant Lois ponders the consequences of raising another brawling kid. So she fantasizes that her unruly sons have morphed into well-behaved young daughters. Malcolm becomes Mallory, Reese is transformed into Renee and Dewey turns into Daisy.