Malcolm in the Middle, Season 2

[Reese is arguing with the driver of an ice cream truck who refuses to sell ice cream in the middle of traffic]

Reese:
This is just wrong! You can make money and please children! This is a senseless act! You are evil! Pure evil!

Ice cream truck driver:
Heh! If you kids are not willing to discuss this sensibly...

[The driver shuts himself in the truck]

Reese:
You son of a...

Malcolm:
Look, there's nothing you can do!

Reese:
Yes, there is! I can... I can...

[Screaming, Reese runs forward and head-butts the side of the truck, then staggers back in pain]

Jessica:
And the Nobel Prize goes to...

Malcolm:
Hey, you're talking about my brother! Good one.