Future Shock - S6-E2
Other mistake: Al's tricycle catches on fire but when the fire is put out the tricycle is much more scorched and mangled in a way that would have been impossible with the short time the fire was lit and the area it actually burned.
Answer: In seasons 1 and 2, each Binford tool had a unique model number, but from season 3 onward, they were all numbered 6100 as a running gag.
Cubs Fan ★