Wyatt Bernstein, a kid with three sisters, builds a puppet named Crash, who comes to life and becomes his brother he always wanted.

Crash helps Wyatt with his insect phobia but develops a fear of mustaches himself. Amanda develops a fear of meat.

Crash becomes the coach of Wyatt's basketball team and ends up benching Wyatt.

Wyatt takes Crash to school with him, but Crash gets in trouble with the principal.

Rufus "The Slapper" is stealing everyone's stuff as Wyatt tries to reason with him. Crash ends up captured by Rufus who holds him for a ransom of Wyatt's bicycle which doesn't go well. Meanwhile, Amanda thinks that Mel had killed Crash after he had previously broke the television as Mel takes advantage of this when she is informed of this by Cleo.

While Wyatt is gathering stuff for the school's rummage sale, Crash becomes extremely jealous when Wyatt finds his old "Flex Fletcher" toy. Meanwhile, Cleo creates a money-making venture at the rummage sale and Amanda raises money for new boots to wear at a party.

While working with Wyatt on a report about the Roman Empire, Crash gets struck by lightning and receives multiple personalities of Crash (like Chef Crash, Caveman Crash, Southern Millionaire Crash, Cat Crash, and the gladiator Maximus Octavius) which cause trouble immediately.

Crash, Wyatt and Pesto join the school wrestling team.

In order to get tickets to the big wrestling, Wyatt and Crash get a job as newsdealers at Roland's newsstand and Crash starts to give customers silly advice which actually works. Meanwhile, Cleo holds a meeting with her friends who have been appointed as Cleo's board of directors and later plans to take advantage of Crash by making him the spokesperson for Cleo.

Crash believes a trucker hat that he purchased at the Muddy Melee monster truck event brings him luck. When Crash's hat goes missing, he thinks that it has been stolen and suspects Mel, Amanda, Cleo, Jasmine, or Mr. Poulos.

Crash is obsessed with Wyatt's voice command Cassie at the time when he plans to enter the game show "Crazy Family Awesome Time.

Mr. Poulous loads up his van to go on a camping trip with his friends. Crash, Wyatt and Pesto sneak into the van to tag along.

Build-A-Bestie announces a product recall of their dolls. Wyatt and Crash must elude an agent sent to destroy Crash.

Crash goes through the options of a possible nose to add to his face. Meanwhile, Wyatt and Pesto look for a place to hang out when Amanda, Cleo, and Jasmine take over their usual hang-outs in the apartment with Amanda's modeling plans, Cleo's dance parties, and Jasmine's hide and seek activities.

Wyatt and Crash are excited for Halloween, but new rules threaten to turn the school into a Halloween-free zone.

The boys parent an egg for science class, but things turn wacky when Crash becomes obsessed with the egg. Meanwhile, Mel tries to help Cleo master a sport so she can pass gym class.

Wyatt, Crash and Pesto battle Cleo's team in the school's cup-stacking contest, but Crash gets distracted by a toxic trash heap.

Amanda pulls a prank on Cleo and Pesto, and the two team up to seek revenge. Meanwhile, Crash and Wyatt are mistakenly invited to join a fraternity on campus.

Crash is confident after beating Wyatt at arm wrestling so he challenges an action star to a match.

Wyatt's father Karl Bernstein returns from his globetrotting adventures as a wildlife photographer.

As Hanukkah approaches, the Bernstein family teaches Crash the traditions of the holiday.

Crash and Wyatt destroy one of Mel's possessions and Jasmine threatens to tell on them.

Wyatt, Crash and Pesto encounter Bigfoot when they get stranded on an island.

Crash eats a book on how to be a mechanic and develops an ability to fix vehicles. Wyatt and Crash take advantage of the situation and open a vehicle repair shop.