Big Trouble in Little Aberdale is the 23rd episode of Season 3, the 113th episode overall of Clarence.
After finding a mysterious new child in their neighborhood, Clarence, Jeff and Sumo show her around the town.
Clarence, Jeff and Sumo play to dodge things until Sumo hits a nut and breaks a window in Lauren's house. Both enter the house because the fire alarm was activated, but Lauren discovers them and they start talking, Lauren shows them her group photo of the school when they were little. Both children look at Lauren while doing some experiments. Then they go to Lauren's room to play with pointy pieces.
After both children go to the garden to play with some fruits, Sumo throws the fruits and Lauren hits them. After that, the children rest and go to play in Pizza Swamp, but Lauren becomes very anxious, she wins all the tickets and fights against a doll. Then both return to Lauren's House, the boys are somewhat angry with Lauren because of her behavior, Jeff comes in and thinks about reassuring Lauren, but Lauren's father just arrives and Jeff is scared, so much so that He throws himself on the ground to apologize to him for the mess. Lauren's father, somewhat angry, sits on the floor and plays a game with Lauren. Then Clarence, Jeff and Sumo leave, ending the episode.