Continuity mistake: When Tim and Al are small and ejected from the vehicle, their coveralls are red, but when Tim is made human sized again his turns into a very dirty grey.
Continuity mistake: When Jill says "Tim, you are almost 40" Tim's hands are at his side, the shot changes and they are now in his pockets.
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.
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