Dexter's lab looks nothing like his normal one when he sees what Ultrabot has done. That blue wall is gone and instead the background is white. All the inventions are gone, too.
Ultrabot 2000 is kind of spoofing Hal 9000 from the 1968 movie, 2001: A Space Odyessy.
S 4 : Ep 35
Aired 9/26/03
S 4 : Ep 34
Aired 11/20/03
S 4 : Ep 31
Aired 11/4/03
S 4 : Ep 28
Aired 9/19/03
User Score: 1222
User Score: 1296
User Score: 194
User Score: 111
User Score: 109
User Score: 73
User Score: 72
User Score: 66
User Score: 63
User Score: 50