BattleBots on Malcolm in the Middle
The kids on Malcolm in the Middle decide to build their own BattleBot, but their dad takes the idea and goes nuts with it, and builds his own interesting, yet quite illegal, BattleBot.

This episode first aired on FOX in March 2000

7.5 minute QuickTime movie
320x240 Lo-res 8.3 Mb

click to see the high-res version instead