Lab of The Lost Dexter's Laboratory : Season 2 Episode 17
TV-G Cartoon Network 23m
Aired: November 5th, 1997 @ 1:00 PM EST on Cartoon Network
Dexter ends up in the "old part of the lab" where his earliest inventions, long since forgotten, are not too happy to see him. They are mad at him for saying they were his greatest inventions, then moved on to another great invention.
