- 7.0/101 votes
#1 - Beau Tie
Season 4 Episode 1 - Aired 11/22/2002
Dee-Dee has a new boyfriend who also likes science and Einstein, and soon the boy finds himself caught in a vicious tug of war...
Director: Don Judge
Writer: Walt Dohrn
- 7.0/101 votes
#2 - Overlabbing
Season 4 Episode 3 - Aired 11/22/2002
Dexter and Mandark drill underground to expand their labs, but end up overlapping each other's work. They secretly devise a plan to destroy each other.
Director: Don Judge
Writer: Clay Morrow
- 7.0/101 votes
#3 - Sis-Tem Error
Season 4 Episode 4 - Aired 4/25/2003
Dee Dee accidentally breaks down Dexter's lab, and she tries to not and let him know its broken.
Director: Don Judge
Writer: Mark O'Hare
- 7.0/101 votes
#4 - Dexter's Library
Season 4 Episode 6 - Aired 4/25/2003
When Dexter becomes the head of a library, he inforces the rules really hard, driving everyone crazy.
Director: Don Judge
Writer: Mark O'Hare
- 7.0/101 votes
#5 - Monstrosi-Dee Dee
Season 4 Episode 8 - Aired 5/2/2003
A Monster starts roaming Dexter's lab, although Dexter doesnt know its just Dee Dee, who ate an apple in a failed lab experiment.
Director: Don Judge
Writer: Gabe Swarr
- 7.0/101 votes
#6 - Dad Man Walking
Season 4 Episode 9 - Aired 5/2/2003
Dexte'rs father begins to sleepwalk, and accidently stumbles into Dexter's Lab
Director: Don Judge
Writer: Carlos Ramos
- 7.0/101 votes
#7 - Dexter's Little Dilemma
Season 4 Episode 10 - Aired 5/9/2003
Dexter accidentally shrinks his parents, and puts them into a model of there house. Although the house isnt completed, so Dexter must find a way to reverse it before they know the truth.
Director: Don Judge
Writer: Clay Morrow
- 7.0/101 votes
#8 - Faux Chapeau
Season 4 Episode 11 - Aired 5/9/2003
Dexter creates a new invention and wears it on his head. It suddenly becomes the latest fashion craze at Huber elementry.
Director: Don Judge
Writer: Chris Reccardi
- 7.0/101 votes
#9 - Head Band
Season 4 Episode 13 - Aired 5/16/2003
Dee Dee has a song stuck in her head. Literally.
Director: Don Judge
Writer: Kevin Kaliher
- 7.0/101 votes
#10 - Used Ink
Season 4 Episode 15 - Aired 5/16/2003
Dexter creates an ink in which lets him command them to do whatever he wants them to do. Although when Mandark gets a hold of it, Dexter is the one being the slave.
Director: Don Judge
Writer: Carlos Ramos
- 7.0/101 votes
#11 - School Girl Crushed
Season 4 Episode 16 - Aired 5/23/2003
Decxter and Mandark are both outperformed by a new girl attending the school, jealous, they become allies to deal with her.
Director: Don Judge
Writer: Charlie Bean
- 7.0/101 votes
#12 - Chess Mom
Season 4 Episode 17 - Aired 5/23/2003
Mom thinks she should spend quality time and watch Dexter in his chess comatition. Although, she really embarasses Dexter while hes there...
Director: Don Judge
Writer: Charlie Bean
- 7.0/101 votes
#13 - Father Knows Least
Season 4 Episode 18 - Aired 5/23/2003
Dad gets fired from his job, and has to do the same job Mom does. He realises it isnt as easy as it looks.
Director: Don Judge
Writer: Carlos Ramos
- 7.0/101 votes
#14 - Tuber Time
Season 4 Episode 20 - Aired 5/30/2003
When Dexter realises the power of the potato, he redesigns his lab to work on it.
Director: Don Judge
Writer: Mark O'Hare
- 7.0/101 votes
#16 - Mountain Mandark
Season 4 Episode 23 - Aired 9/5/2003
Mandark drops technology and starts being more in touch with nature.
Director: Don Judge
Writer: Kevin Kaliher
- 7.0/101 votes
#17 - 2Geniuses 2Gether 4Ever
Season 4 Episode 24 - Aired 9/5/2003
Dexter decides its better if him and Mandark work together, although in the end Dexter does all the work while Mandark does nothing
Director: Don Judge
Writer: Clay Morrow
- 7.0/101 votes
#18 - Height Unseen
Season 4 Episode 25 - Aired 9/12/2003
Dexter is tired of being short, since his old plan of growing himself didnt work, he decides to make everyone shorter than him.
Director: Don Judge
Writer: Kevin Kaliher
- 7.0/101 votes
#19 - Folly Calls
Season 4 Episode 27 - Aired 9/12/2003
When Dee Dee accidentally chops off her pigtail, Dexter gives her some hair growth potion. Although when she uses it, her hair floods the entire house.
Director: Don Judge
Writer: Bobby London
- 7.0/101 votes
#20 - The Blonde Leading the Blonde
Season 4 Episode 29 - Aired 9/19/2003
Dexter refuses to see that blonde's have more fun, so he dyes Dee Dee's hair to prove it.
Director: Don Judge
Writer: Aaron Springer
- 7.0/101 votes
#21 - Comic Stripper
Season 4 Episode 30 - Aired 9/19/2003
Dexter finds out that all of Mandark's plans are taken from a comic book. This way, he can get ready.
Director: Don Judge
Writer: Chris Reccardi
- 7.0/101 votes
#22 - Tee Party
Season 4 Episode 31 - Aired 9/26/2003
Dexter and his dad enter a Golf tournament, with Dad eager to get his hands on the Trophy, but there is one problem: he is hopeless at Golf, so Dexter decides to help with a remote controlled Golf ball
Director: Don Judge
Writer: Aaron Springer
- 7.0/101 votes
#23 - Dexter's Wacky Races
Season 4 Episode 32 - Aired 9/26/2003
Dexter, Monkey, The Justice Freinds, Dee-Dee, her imaginary freind Coosie, Mandark, his parents, and Dexter's Parents participate in a cross-country race
Director: Don Judge
Writer: Chris Reccardi
- 7.0/101 votes
#24 - The Lab of Tomorrow
Season 4 Episode 33 - Aired 11/4/2003
Monkey narrates a documentry of the future of Laboratories and sciences.
Director: Don Judge
Writer: Charlie Bean
- 7.0/101 votes
#25 - Garage Sale
Season 4 Episode 35 - Aired 11/4/2003
Dexters parents accidentally sell Dexter's latest invention, and it is bought by Mandark.
Director: Don Judge
Writer: Clay Morrow