Desperate for a completed science project, Coop borrows one of Kat's weird machines without knowing what it does.

Coop is determined to have Bootsville win against Timber Lane in a baseball game.

On a family shopping trip, Kat gets Coop banned from the grocery store.

Dennis and Coop's fathers encourage them to revive a neighbourhood tradition, the 'round the block golf challenge.

The Burtonburgers face friends, neighbours, and each other in a local Fishing Derby.

Dad comes to school to shadow the kids on Parents' Day.

When Kat and Millie embarrass Coop in front of the school by flipping him, he turns to Dennis for martial arts lessons.

Coop's April fool's day jokes have the entire town not believing a word he says, so how can Coop stop what seems to be a Kat led UFO invasion when even Dennis assumes it to be Coop's biggest joke yet?

Seeing how freaked out Kat gets by a huge stray dog, Coop adopts it as his pet and bodyguard, but the dog is a lot more responsibility then he thought, especially after Coop's plan backfires, as Kat retrains it to destroy the house.

Kat overcomes his fear of snow to make sure Coop gets chilly in the Demolition Run tobogganing challenge.

The police and Old Lady Munson catch Coop and his friends waking the neighborhood.

Kat struggles to perfect a teleporter to transfer Fishy Frisky Bits across space to his home.

Kat wants a day off, but Coop and the gang play capture the flag right through to his secret forest oasis.

When OLM shows an unusual interest in Coop and Dennis' favourite show, they become equally obsessed with finding out why she likes it.

It's time for the annual Bootsville Days festival celebrating the town's founding. Coop is in a real Battle of the Bugs!

Kat's been eating too many treats and how he is tipping the scales with rolls of flab!

After Coop uses cat whispering to make Kat into his new best friend, he becomes a pal to all animals.

Coop and Dennis join the soccer team but Coop would rather show off than use teamwork.

When Kat's listening transmitter becomes lodged in his ear, his hearing becomes super sensitive.

After Kat's latest tantrum almost destroys the house, Dad starts his own extreme renovation.

After Kat scratches Coop, he believes that he's turning into a were-cat.

On Halloween, Coop and Dennis plan on trick or treating... much to Kat's dismay.

Kat uses a universal remote control to try and hack into Earth's computer systems.

Both Coop and Kat join a local rocket club and Coop becomes a big star. Unfortunately, Kat plans on using Coop's rocket to destroy a satellite in space.

Coop's hopes of a normal Christmas are shattered by the fact that Kat is constantly getting him in trouble; it is revealed that Kat really misses his family back at his home planet. Coop and Millie's grandparents are expected to visit for the Christmas, but many troubles cause them to be late.