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Edgar and Ellen find a gigantic spider living in their sub-basement. Although they get rid of it, swarms of other bugs attack them. / The twins enter Pet into a dog competition, determined to beat Stephanie and her poodle. / A viewers dares Edgar to prank someone using shaving cream, fire ants and toothpaste. Edgar targets the Mayor, but he's not the only target.
Stephanie tries to get a safety inspector to condemn the twins' house, regarding it as dangerous. How far will Edgar and Ellen go to save their home? / Edgar invents a robot to do evil deeds but instead the robot is obsessed with cleaning. The twins will have to stop it from ruining their favorite spot, Gadget Graveyard. / Ellen reads chicken bones and tells the Mayor he'll be going on a trip soon.
Edgar invents a remote that controls time. / A group of new-age people camp out on Edgar and Ellen's lawn. / Pet dreams that he is a hero.
A film crew wants to shoot a horror film at the mansion. / The twins conspire to keep a restaurant from cooking the world's longest linguine noodle, but their plan soon backfires. / Stephanie hosts a cable show, and the twins sabotage it by making her look ugly during a makeover.
Ellen becomes student body president after a prank gone wrong,turns out to be quite a tyrant and Edgar and Stephanie will have to work together in order for Ellen to stop being crazy over power./ Ellen battles a destructive slug in her garden, refusing Edgar's help. / Pet takes the twins back in time.
Ellen's prank is mistaken as a piece of art by the school's art teacher, so she becomes a star in the school. / The twins challenge each other in a game seeing who can prank the most people in Nod's Limbs. / Heimertz is part of a circus act.
The twins act like they are space recruiters. / Stephanie tries to embarrass Ellen. / Heirmertz is teased for not having his mustache in a family picture.
Scam artists come to Nod's Limbs and play by their own rules. / Edgar and Ellen enter a Mayor for a day contest. / Pet goes down the drain.
Edgar and Ellen get Stephanie banished to a boarding school but soon realize that pranking is no fun with her gone. / Edgar and Ellen prank each other so they can win a contest. / Poe explains how stars stay in the sky.
Edgar and Ellen plan a fake alien invasion. / Edgar and Ellen get a cat which replaces Pet. / Ellen predicts Stephanie's future by reading her feet.
A boy called Irwin tries to become a prankster. / Edgar and Ellen must find Edgar's satchel after it is stolen. / Edgar meets a mischievous leprechaun.
Edgar acts like a rare bird. / Edgar and Ellen sell prank insurance to the town. / Poe gets a sister.
Stephanie hurts Ellen. / The twins try to ruin a swimming demonstration. / Edgar shoots watermelons.
Edgar becomes popular because of escaping handcuffs / Edgar and Ellen steal a wax statue of Stephanie / Pet acts like a detective after Edgar's prank is ruined.
Edgar and Ellen rewrite Judith's newest parenting guide / Ellen loses her eyesight after a prank goes wrong / Pet gets stuck in a vacuum.
Edgar clones himself / Edgar creates a scientific golf club / Ellen helps one of Stephanie's friends with love advice.
Edgar is in a pranker's block / The twins help Miles Knightleigh stop his stardom / Pet thinks about what it would be like if he were a World War I fighter pilot.
Principal Mulberry wants to see Edgar and Ellen's parental figure: Heimertz / Pet loses a mop he was wooing, the twins try to track it down / Poe investigates the identity of a viewer's crush and find out it is someone closer to them than they think.
A wishing well grants everyone's wishes / Ellen turns Edgar into a baby again / Pet is a cleaning product.
The Manners Marathon / Ellen's Secret Admirer / Ellen's Horrorscopes: Thanks for Muffin
