Kid vs. Kat

Coop falls for Old Lady Munson's niece Fiona, and Kat does everything he can to make Coop look like the juvenile delinquent Old Lady Munson claims he is.

Kat's swarm of flea-sized mind control nano-robots hop into the ears of the people of Bootsville, and soon they all think they'd like to tear Coop limb from limb.

Millie brings home her class hamster "Mr. Cheeks" for the weekend, unaware that Mr. Kat hates hamsters, and Mr. Cheeks is a very special breed of rodent.

Coop tries to stop the annihilation of Massive Mart by a huge laser cannon sent to eradicate Captain Blasteroid, who the Kat Kommander thinks is a real live Earth hero.

While Coop and Dennis explore Kat's surprisingly spacious scratching post lair, Millie decides to toss it into a garbage truck, with the boys still inside.

Tired of never getting props for his selfless heroics, Coop decides to let Kat have free reign to cause whatever destruction he wants.

Kat's devious magnifier satellite is causing an oppressive and dangerous heat wave in Bootsville, so he can bask in its intensified sunbeams.

Coop uses Kat's time machine to go back and stop Millie from ever finding Kat in the first place, but ends up altering the future for the worse.

Coop becomes Dennis' wing-man for a change, as they go in search of the "sewer-croc-baby" said to be prowling the sewers of Bootsville.

The Kat Kommander's rebellious son runs away to Earth, where he becomes a handful for Kat, and a danger to the entire human race.

When Kat is left at a kennel while the Burtonburgers go on vacation, he leads his fellow animal inmates in revolt against the animal-hating owner.

Dennis is accidentally knocked into a portal that sends him on a wild trip around the world, while Coop tries to make Kat fix the broken device and get Dennis back.

Kat and Coop accidentally switch brains the day before a skateboarding competition that Coop really wants to win. Coop goes skateboarding in Kat's body.

Coop enlists the help of his adventure-junkie grandparents to stop Kat's crazy plan to blast a rocking chair factory into the sun.

Old Lady Munson's garden gnomes come to life and mistake Coop as their leader. // Old Lady Munson's tall tales of adventures she's had in Bootsville turn into a real life adventure when she and the kids plunge over Bootsville Falls on a raft.

The evil hamster Mr. Cheeks returns to Bootsville to exact revenge on Kat, but through a mishap finds himself unarmed and adopted by Lorne and Harley as their pet.

When Millie puts on Kat's telepathy helmet Coop, Kat and all of Bootsville are in jeopardy as her building temper tantrum threatens to blow them all sky high.

Kat's memory eraser leads to Coop forgetting Kat is an evil alien, but Dad accidentally gets Coop's lost memories and suddenly knows the terrible truth. Unfortunately, he's no match for Kat.

Coop and Dennis battle Kat's army of living hairballs.