Malcolm in the Middle

Malcolm in the Middle
Season 7, Episode 4
Halloween
Image #493

there's a perfectly logical explanation for it.

explanation logical perfectly

TMDB episode metadata

Episode title: Halloween

Air date: October 28, 2005

Director: David D'Ovidio

Top billed cast: Frankie Muniz, Jane Kaczmarek, Bryan Cranston, Justin Berfield, Erik Per Sullivan, Christopher Masterson

Reese and Malcolm try to perform the ultimate Halloween prank.

Source: TMDB