Character mistake: When Otto tells Francis he has to put a horse down, Francis objects saying he's never killed anything bigger than a poodle, and that was an accident. However, in season 4 (episode 11), Francis accidentally killed Otto's pet cow. (00:11:30)
Visible crew/equipment: There is a man's elbow on the right of the screen near the start when only Jamie and Hal are in the room. (00:02:49)
Opening theme song: Yes, no, maybe, I don't know, can you repeat the question? You're not the boss of me now, You're not the boss of me now, You're not the boss of me now, and you're not so big. You're not the boss of me now, You're not the boss of me now, You're not the boss of me now, and you're not so big. Life is unfair.
More trivia for Malcolm in the Middle
Question: What does "du kaya mischna" mean? Ida says it when falling asleep during the Christmas episode with Francis.
Answer: Right, complete nonsense. Du, obvious pain prefix for two, Kaya is drugs in Jamaica and a fruit, coconut thing in Asia, and Mishna, spelled multiple ways, are certain types of studies in Hebrew.
Answer: It is made up - although it is implied she is Croatian, she never mentions it herself.