Malcolm in the Middle (2000)

S7E9 Malcolm Defends Reese

Lois believes she has found the ideal babysitter for Jamie, but her excitement quickly turns to frustration as the sitter starts to drive her up the wall. At the same time, Reese finds himself targeted by their teacher when he and Malcolm end up in the same class. Determined to stand by his brother, Malcolm steps in to defend Reese against the bullying.