Malcolm In The Middle - Season 5 -

: Directed by Bryan Cranston , this episode features Malcolm and Stevie needing the "unintelligent" Reese to help solve a complex scientific enzyme problem.

: Malcolm continues to assert himself in high school, dealing with censorship in the school newsletter and navigating complex social circles, such as "dating" a girl's entire intellectual family. Malcolm in The Middle - Season 5

: A two-part finale where Reese runs away to enlist after a heartbreak, and Hal faces potential jail time for his company’s legal troubles. Main Cast & Guest Stars Frankie Muniz Bryan Cranston Jane Kaczmarek Justin Berfield Erik Per Sullivan Christopher Masterson Notable Guest Cloris Leachman as Grandma Ida Notable Guest David Cassidy as Boone Vincent : Directed by Bryan Cranston , this episode

: Malcolm tries to prevent Dewey from being placed in the high-stress Krelboyne class, but Dewey's plan to fail the IQ test backfires, landing him in a class for emotionally disturbed students. Main Cast & Guest Stars Frankie Muniz Bryan