Malcolm's Girlfriend is the fourth of the third season of Malcolm in the Middle, which was broadcast on November 28, 2001.
Summary
After getting a girlfriend (whose face is never shown on camera), Malcolm neglects his family and friends; the family reacts when they find about her.
Meanwhile, Dewey uses his new friend's wealth to get the birthday party he's always wanted. Still en route to Alaska, Francis is jailed but quickly starts to enjoy his time as he watches the guards' complicated lives unfold as a soap opera.