Malcolm in the middle

The show featured no laugh track, which was unusual for a live-action sitcom.

Although the family's surname was revealed as Wilkerson in the pilot episode, it was decided afterwards that the family should not have a last name. A running joke on set was that the family's last name was "Nolastname."

Aaron Paul auditioned for the role of Francis but lost. He would later be cast in 'Breaking Bad', which also starred Bryan Cranston.