The seventh and final season of Malcolm in the Middle premiered on September 30, 2005, on Fox, and ended on May 14, 2006, with a total of 22 episodes.

Frankie Muniz stars as the title character Malcolm, and he is joined by Jane Kaczmarek, Bryan Cranston, Christopher Kennedy Masterson, Justin Berfield and Erik Per Sullivan.

[29] In January 2006, it was announced that it would be the final season;[30] the decision behind this was widely attributed to declining viewership.

[31] Main cast members Frankie Muniz, Jane Kaczmarek, Bryan Cranston, Christopher Kennedy Masterson, Justin Berfield and Erik Per Sullivan return as Malcolm, Lois, Hal, Francis, Reese and Dewey respectively.

Fortunately, it strikes a nice balance between maintaining its insanity (there's a messy explosion), having a few sweet moments and a suitably nightmarish ending.