: Malcolm and Reese are engaged in an escalating battle of pranks and physical altercations. The episode uses frequent flashbacks to trace their rivalry back through a series of petty grievances to its surprising origin point.
: At the Grotto ranch, Francis and Otto investigate mysterious damage to fences and the deaths of chickens. While Francis suspects vandals, Otto attributes the events to logic-defying natural causes, eventually leading to a worker's fearful claim of a "Devil Cow" ( La Vaca Diablo ). Key Episode Highlights [S4E5] Forwards Backwards
: Hal attempts to buy Malcolm a specific comic book for his birthday, which leads to a comedic encounter with an "archetypal nerd" named Craig at a comic shop. : Malcolm and Reese are engaged in an