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Click Here To PrintDexter's Laboratory Episode Guide
1 :01x01 - Dexter's Laboratory
This episode is Rated R in the USA and 15 in the UK. Dexter wants to make Dee Dee not so annoying but it turns her half good, half bad. The good half is very good but the bad swears and talks about dirty stuff. This episode is not for children.
2 :01x02 - The Big Sister
The pilot episode: Dexter makes a remote that turns you into animals. Dee Dee wants to get her hands on it.
3 :01x03 - Old Man Dexter
Dee Dee eats experimental cookies for his lab rats, and they make her huge.
4 :01x04 - Dimwit Dexter,Brain Drain,Dumb Like Dee Dee
Director: Craig McCracken, Genndy Tartakovsky
Guest star: Jeff Bennett (TV Announcer/Old Man Dexter)
Dexter wants to make himself older but Dee Dee tampers with the machines, making him into a very old man.
5 :01x05 - Dee Dee Deemensional/Dial MAGNUS for Monkey: Magmanamamus/Maternal Kombat Ligthing
Director: Rob Renzetti, Genndy Tartakovsky
Guest star: Jeff Bennett (Monster)
Dexter sends Dee Dee back in time to warn Dexter that his Dimensional Door will unleash a monster.
6 :01x06 - Dexter Dodgeball/Dial M for Monkey: Rasslor/Dexter's Assistant
A magma monster from the center on the Earth only wants to sleep. But with everyone making so much noise above, he goes above to reason with them, only for them to believe he poses a threat. When the monster loses it, it's up to Monkey to save the day.
7 :01x07 - Dexter's Rival/Dial M for Monkey: Simion
When Mum is out for the day, Dexter builds a robotic mother to care for. But when Dee Dee gets control of Mum-Bot, Dexter makes a Mum-Bot V. 2 and the two Mum-Bots start to battle.
8 :01x08 - Double Trouble/Dial M for Monkey: Barbequor
Dexter builds a massive dodgeball machine suit to beat the bullies at dodgeball.
10 :01x10 - Dee Dee's Room/Dial M for Monkey: Huntor
Using a painless machine, Dexter switches Dee Dee's old and tiny brain for a new brain, but the new Dee Dee turns out to be smarter than Dexter.
11 :01x11 - Star Spangled Sidekicks/The Justice Friends: TV Super Pals/Game Over
Dexter makes a rival at school called Mandark who is better than him in every way, and Dexter starts to feel very jealous an sad. But luckily Dexter gets him back.
12 :01x12 - Babysitter Blues/The Justice Friends: Valhallen's Room/Dream Machine
A suave simion from outer space threatens Monkey and appears to be wishing to have a normal life.
13 :01x13 - Dollhouse Drama/The Justice Friends: Krunk's Date/The Big Cheese
Dexter's latest invention, a clone machine generates clones, and Dee Dee tries to clone herself to create more destruction.
15 :01x15 - Spacecase/The Justice Friends: Ratman/Dexter's Debt
Dexter turns a dog into a dinosaur by mistake, and Dee Dee treats it like a dog..
16 :01x16 - The Justice Friends: Bee Where?/Mandarker
A ghostly Orgon Grindor hypnotizes Monkey into robbing a bank.
17 :01x17 - Inflata Dee Dee/The Justice Friends: Can't Nap/Monstory
A shutdown in Dexter's brain causes him to go really stupid and Dee Dee makes him look funny.
Dexter's Rude Removal
18 :02x01 - Beard to Be Feared/Quackor the Fowl/Ant Pants
Director: Genndy Tartakovsky
Guest star: Kevin Michael Richardson (Action Hank)
Dexter uses his Beardatron to give himself a rugged beard so he can be like Action Hank.
19 :02x02 - Mom and Jerry/Chubby Cheese/That Crazy Robot
Mandark's duck turns into Quackor when a full moon is out and he goes to fight Monkey in Dexter's Lab.
20 :02x03 - D & DD/Hamhocks and Armlocks
Dexter and Dee Dee shrink to the size of ants to see what life is like there, but it's harder than they imagine.
21 :02x04 - Hunger Strikes/The Koos is Loose/Morning Stretch
In a parody of Tom and Jerry, Mom tries to catch a mouse who is really Dexter, brain-switched.
22 :02x05 - Dee Dee Locks and the Ness Monster/Backfire/Book 'Em
Dexter and Dee Dee go to Chubby Cheeses where they compete for a monkey toy.
23 :02x06 - Sister's Got a Brand New Bag/Shoo, Shoe Gnomes/Lab of the Lost
Dee Dee finds a robot of Dexter's that helps Dee Dee in her daily life and the two become friends. But before long, the robot becomes overprotective of Dee Dee.
24 :02x07 - Labels/Game Show/Fantastic Boyage
Dexter, Dee Dee and his friends are playing a game called Monsters and Mazes, and Dee Dee keeps making the story girly.
25 :02x08 - Filet of Soul/Golden Diskette
Dexter's family break down near a bar full of smoking bandits. One of them is really huge and wnats to challenge everyone to an arm wrestle.
26 :02x09 - Snowdown/ *figure not included/Mock 5
Dexter doesn't want to eat veggies so he uses a machine to make his tastebuds only taste vegetables.
27 :02x10 - Ewww That's Growth/Nuclear Confusion/Germ Warfare
Dee Dee's goofy imaginary friend, Koosy is left in Dexter's gaurd when Dee Dee has to go to ballet lessons.
28 :02x11 - A Hard Day's Day/Road Rash/Ocean Commotion
Dexter slows down the time to have breakfast, a shower and get his homework done in the morning.
29 :02x12 - The Bus Boy/The Justice Friends: Things That Go Bonk in the Night/Ol' McDexter
Dee Dee tells Dexter the story of DeeDee Locks in a parody of many fairy tales.
30 :02x13 - Sassy Come Home/Photo Finish
Dexter's great inventions keep backfiring, so he decides to create something safe.
31 :02x14 - Star Check Unconventional/Dexter is Dirty/Ice Cream Scream
Dexter fails to return a book to library so he does it overnight.
32 :02x15 - Decode of Honor/World's Greatest Mom/Ultrajerk 2000
Dee Dee wants to show Dexter a dance she learnt on TV but Dexter won't let her since he thinks it will suck.
33 :02x16 - Techno Turtle/Surprise!/Got Your Goat
Dexter's boot get damaged so Dee Dee summons Shoe Gnomes to fix them, but they take over.
34 :02x17 - Dee Dee Be Deep/911/Down in the Dumps
Dexter's mystical old part of the lab gets re-discovered when Dexter's crashes his latest hovership.
35 :02x18 - Unfortunate Cookie/The Muffin King
Dee Dee and Dexter use Label Guns to label everything to make it theirs.
36 :02x19 - Picture Day/Now That's a Stretch/Dexter Detention
Dexter and DeeDee enter a game show to win a telescope or a pony. DeeDee ends up winning but she gets the telescope, but it's not for Dexter.
38 :02x21 - Sports-a-Poppin'/Koos a la Goop a Goop/Project Dee Dee
Dexter and Dee Dee's fish, Fishy, dies and his ghost haunts the two.
39 :02x22 - Topped Off/Dee Dee's Tail/No Power Trip
In a parody of Charlie and the Chocolate Factory, Dee Dee wins a Golden Diskette which allows herself and Dexter to visit Professor Hawk's amazing science factory.
40 :02x23 - Sister Mom/The Laughing/Dexter's Lab: A Story
Dee Dee challenges Dexter to a one-on-one snowball fight, and Dexter gets tips from his old man to beat her.
41 :02x24 - Coupon for Craziness/Better Off Wet
Dexter goes to a shop where he gst mistaken as a toy and packed up in a box.
42 :02x25 - Critical Gas/Let's Save the World You Jerk!/Average Joe
Dexter and Dad make a cool new racer called the Mock 5 to beat Mandark in a Soapbox Derby.
43 :02x26 - Rushmore Rumble/A Boy and His Bug/You Vegetabelieve It!
Dexter uses a cool invention to make him tall so he can ride on the scariest rollercoaster in the USA and the UK, The Thing.
44 :02x27 - Aye Aye Eyes/Dee Dee and the Man
Dee Dee takes Dexter's ball of nuclear power and he must follow clues to find it.
45 :02x28 - Old Flame/Don't Be a Hero/My Favorite Martian
It's cold season and Dexter must prtect himself from Dee Dee's sneeze to prevent himself from getting a cold too.
46 :02x29 - Paper Route Bout/The Old Switcharooms/Trick or Treehouse
Dexter can't start the day correctly thanks to moon blocking his scientific rays from Saturn.
47 :02x30 - Quiet Riot/Accent You Hate/Catch of the Day
Dexter wants to learn to ride a bike, and Dee Dee teases him by showing off her skates. Dexter must learn to ride and catch Dee Dee.
48 :02x31 - Dad is Disturbed/Framed/That's Using Your Head
Dexter learns to communicate with Fish underwater, while Dee Dee tries to save a whale from doom.
49 :02x32 - DiM/Just an Old Fashioned Lab Song.../Repairanoid
Dexter's pencil rolls to teh bakc of the bus and he has to get it back, whilst he meets a big fat boy called Big Billy.
50 :02x33 - Sdrawkcab/The Continuum of Cartoon Fools/Sun, Surf, and Science
51 :02x34 - Big Bots/Gooey Aliens That Control Your Mind/Misplaced in Space
Dexter is going to farm camp, and he realises it's the most boring, tiring and stupid place in the world, while Dee Dee is at Space Camp.
52 :02x35 - Dee Dee's Rival/Pslightly Psycho/Game for a Game
Dexter and his family all go camping, and Dee Dee discovers a sasquach called Sassy.
53 :02x36 - Blackfoot and Slim/Trapped with a Vengeance/The Parrot Trap
Dee Dee has a new camera and takes pictures of Dexter's top secret experiments with it. Dexter must get the film back before the photos are developed and his lab is exposed.
54 :02x37 - Dexter and Computress Get Mandark!/The Justice Friends: Pain in the Mouth/Dexter Vs. Santa's Claws
Dexter and his buddies go to the wrong toy shop and end up getting in trouble for opening a box that must never be opened.
55 :02x38 - Dyno-Might/LABretto
When Dexter finds himself very dirty, he laminates himself to make any dirt slip off.
56 :02x39 - Last But Not Beast
Dexter wants an ice cream, but teh ice cream man won't let him have one. Dexter must catch the ice-cream man.
Back To The Lab (Music video)
Another Dexter's Laboratory Music Video showing clips from past episodes.
Secret Formula (Music Video)
A Dexter's Laboratory Music Video showing clips from past episodes.
57 :03x01 - Streaky Clean/A Dad Cartoon/Sole Brother
Dexter uses a cool invention to wipe off any mess on his clothes to prvent having to put them all in the wash.
58 :03x02 - Mind Over Chatter/A Quakor Cartoon/Momdark
Dad tries to retrieve his car from a giant stack of destroyed cars.
59 :03x03 - Copping an Aptitude/A Failed Lab Experiment/The Grand-Daddy of All Inventions
Dexter and Dee Dee's atoms merge and Dexter becomes Dee Dee's foot so the two have to put up with it.
60 :03x04 - Poppa Wheely/A Mom Cartoon/The Mock Side of the Moon
Dexter makes an invention to read minds, but it backfires so everyone can read his mind and he exposes secrets.
61 :03x05 - If Memory Serves/A Mandark Cartoon/Tele Trauma
Quackor comes to Dexter's Lab to try and sabotage it and Monkey, but the two end up falling in love.
62 :03x06 - A Boy Named Sue/Lab on the Run
Mandark disguses himself as Dexter's mother to get into his lab and destroy it, but everyone needs 'Momdark'.
63 :03x07 - Dos Boot/A Dee Dee Cartoon/Would You Like That In The Can
64 :03x08 - That Magic Moment/A Silent Cartoon/Opposites Attract
Dexter makes new, high-tech glasses that fail and have a terrible secret. They can see through people's clothes.
65 :03x09 - Comic Relief/A Third Dad Cartoon/RoboDexo 3000
Dexter goes round to his grandad's and finds it's boring until he discovers he has a secret lab too with a latest invention.
66 :03x10 - Glove at First Sight/A Mom & Dad Cartoon/Smells Like Victory
Dexter makes a new dad to take on Career Day when he thinks his normal dad is too boring, but Dad's job isn't boring at all.
67 :03x11 - Oh, Brother?/Another Dad Cartoon/Bar Exam
Mom and another Mom compete to get to the brand new Latex gloves at the shops when there is one left.
68 :03x12 - Jeepers, Creepers, Where is Peepers?/Go, Dexter Family, Go!
On the moon, Dexter discovers there are trumpeting aliens living there that are really cold and need sweaters.
69 :03x13 - Scare Tactics/My Dad vs. Your Dad
Mandark plans to get the secrets of Dexter's Lab but only gets the secrets of Dexter's baby days.
71 :04x02 - Sis-Tem Error/Bad Cable Manners/Dexter's Library
Dexter gets his memory wiped out thanks to Dee Dee and she says that Dexter is a girl and is called 'Ducky'.
72 :04x03 - The Scrying Game/Monstrosi-Dee Dee/Dad Man Walking
Dexter and Mandark try to dig into each other's labs but keep failing and causing trouble for both of them.
73 :04x04 - Dexter's Little Dilemma/Faux Chapeau/D2
Dexter shuts down the power and has to make Dexter believe the power is still on in any way she can.
74 :04x05 - Head Band/Stuffed Animal House/Used Ink
Dexter steals cable TV for his father using a satellite so he doesn't have to watch boring shopping channels.
75 :04x06 - School Girl Crushed/Chess Mom/Father Knows Least
Dexter is asked to take over at the School Library and makes gives it really strict rules that the kid's can't stand.
76 :04x07 - Dexter the Barbarian/Tuber Time/Sore Eyes
Dee Dee tricks Dexter into thinking there is a big bunny rabbit and an evil snowman out to get him.
77 :04x08 - Babe Sitter/Mountain Mandark/2Geniuses 2Gether 4Ever
Like in Monstory, Dee Dee turns into a monster and tries to kill Dexter. Dexter must tell her to stop.
78 :04x09 - Height Unseen/Bygone Errors/Folly Calls
Dad falls asleep and sleepwalks into Dexter's Lab. Dexter must get him out before he wakes up and teh secret is revealed.
79 :04x10 - Voice Over/Blonde Leading the Blonde/Comic Stripper
Dexter accidentally shrinks his parents and he puts them into a minitaure house so they don't know they have shrunken.
80 :04x11 - Tee Party/Dexter's Wacky Races
81 :04x12 - The Lab of Tomorrow/Garage Sale/Chicken Scratch
Dexter and Dee Dee form the Power Friends, and want to save the world but do loads of damage instead.
82 :04x13 - They Got Chops/Poetic Injustice/Comedy of Feathers
Dee Dee develops a Head Band inside her ear which makes people sing, and it spreads across the household.