S03E06: Health Scare

When Hal's doctor discovers something suspicious during his routine check-up, Lois and Hal become frantic, nervous wrecks as they wait for the test results. As a result of her anticipation, Lois becomes even stricter with the boys, leaving them to misinterpret the new house rules. Meanwhile, in Alaska, Francis comes to blows with his boss.

Season 3

Frankie Muniz
Frankie Muniz
Malcolm
Jane Kaczmarek
Jane Kaczmarek
Lois
Bryan Cranston
Bryan Cranston
Hal
Justin Berfield
Justin Berfield
Reese
Erik Per Sullivan
Erik Per Sullivan
Dewey
Christopher Masterson
Christopher Masterson
Francis