Kat Whisperer: Coop learns a new skill that causes him and Kat to become fast friends. Now, he's making friends with all of the neighborhood cats.
Bend It Like Burtonburger: After joining the soccer team, Coop begins showing off. But when he needs Dennis' help, will Coop be able to keep his ego in check?Read More
Hack Kattack: Kat uses a universal remote control to try and hack into Earth's computer systems.
It's a Rocket, Man: 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.Read More
Trespassers Will Be Persecuted: When Old Lady Munson forbides Coop from stepping on her lawn, Kat makes sure that he does, in fact, get in trouble.
Me-Oh-Me-Oh Meow: Kat is forced to wear a special collar after constantly meowing.Read More
Just Me and Glue: Chaos ensues when Coop and Kat's hands are accidentally glued together.
You'll Be Show Sorry: There's only one reason that Coop and Kat would team up to compete in a local cat show: a year's supply of cat food.Read More
Dial 'B' For Babysitter: Coop has his work cut out for him when he's forced to babysit Kat, Old Lady Munson and her dog, Growler.
The Grass is Always Meaner: Coop comes up with a plan to make money for an action figure: cutting Old Lady Munson's lawn.Read More
One Big Happy Family: To prove that Kat's the source of all his problems, Coop decides to spend every moment with his Dad.
Happy Campers: Coop and Dennis' families compete in a camping challenge.Read More
Don't Give Me No Static: Coop borrows one of Kat's experiments for a science project. Unfortunately, things backfire in a big way.
Storm Drained: Kat's weather changing machine could interupt Bootsville's annual baseball game with their rivals, Timber Lake.Read More
Coop's hopes of a normal Christmas are shattered by the fact that Kat is constantly causing trouble.Read More
Coop and Dennis are at the movie theatre enjoying a 3D movie. Kat plants a cell phone on Coop and calls it bothering the entire theatre. Coop heads for the lobby to clean up where Kat starts the attack. In the end there's a real-to-life looking 3D fight on-stage.Read More
Cat subsitutes Coop's soccer ball for one with a built-in time bomb. Coop and Dennis run off trying to find a place to drop the ball to explode. No matter where they go they keep finding reasons the ball can't go there. Kicking the ball between them in panic, the ball winds up next to Kat. And the exploding ball scores!Read More
Something About Fiona: Coop falls for Old Lady Munson’s niece Fiona, and Kat does everything he can to make Coop look bad.
Tickled Pink: When Millie tickles Mr. Kat's 'tickle spot' he goes into a blissful state that renders him useless as an alien agent and when Kat's empire find out about him they send a robot to destroy Millie.Read More
Flea Brains: Kat's swarm of flea-sized mind control robots hop into the ears of the people of Bootsville and soon they all want to destroy Coop.
Menace the Dennis: With Coop out of town, Kat wants to turn water into milk and Dennis comes to the rescue.Read More
Trash Talking: Millie tosses Kat's spacious scratching post lair, and Kat tries to get it back.
Over the Radar: Coop, Millie, and Dad are taken away to a top secret base to be interrogated, after a UFO investigator suspects they are aliens.Read More
Kat to the Future Part 1: Coop uses Kat’s time machine to go back to the past and stop Millie from bringing Kat home, but ends up altering the future for the worse.
Kat to the Future Part 2: Coop tries to undo the Kat invasion, which he brought about by fooling with Kat’s time machine. How will Coop undo the Kat invasion, and get back to the present before it's too late?Read More
Down the Drain: Coop becomes Dennis’ wing-man for a change, as they go in search of the ‘sewer-croc-baby’.
9 to 5 to Oblivion: Coop breaks every window in Dennis’ house, and is forced to work off his debt by working in Henry’s store.Read More
Rebel with a Claw: The Kat Kommander’s rebellious son runs away to Earth, where he becomes a handful for Kat, and a danger to the human race.
Swap Wrecked: Dad accidentally swaps an assortment of Kat’s weapons to the unwitting residents of Bootsville.Read More
Kickin Butler: Dennis is accidentally knocked into a portal around the world.
You Kat See Me: Kat makes himself invisible and causes trouble for Coop on the night he invites Fiona to dinner and when Dad invites Coop's teacher over for dinner.Read More
Kat tries to attack some birds in a feeder and a squirrell scares them off. Kat knocks the squirrell off the feeder and drop-kicks it out of the yard. A short time later Kat's being hit by an acorn everywhere he goes. A chase of a squirrel winds up back in the yard and Kat learns that squirrels stick together.Read More
Keep on Rockin: Coop's grandparents visit, so Dad buys them rocking chairs. However, it turns out they are adventure junkies who accept that Kat is an alien.
It's in the Bag: Coop searches for the last available bag of the feline's favourite food after the factory that makes it closes down so he can taunt Kat.Read More
Turn the Other Cheeks: The evil alien hamster Mr. Cheeks comes back to get revenge on his nemesis, Kat.
Birthday Bashed: Dad organized a surprise birthday party for Coop, and Fiona comes to his birthday, but Phoebe will do anything to get rid of Fiona. Meanwhile, Kat is trying to enjoy a virtual picnic with his girlfriend, but the kids and Coop keep crashing Coop's birthday.Read More
Mind Games: Dad orders Coop to spend more quality time with his little sister; Kat builds a telepathy helmet.
Strange Kat on a Train: Coop goes on a train to buy something from a man named Old Herman, Unfortunately it turns out to be the evil alien hamster, Mr. Cheeks!Read More
Board Kat: Coop and Kat fight over the animal's new lightning box generator and end up swapping brains.
The Treasure of Sierra Munson: Coop discovers buried treasure under Old Lady Munson's house.
Note: YTV aired this episode as a mistake as it was originally supposed to air on March 5, 2011.Read More
Fangs for the Memories: 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.
Drive-In Me Crazy: Kat builds a device that brings an assortment of movie monsters to life.Read More
Amazing Feet of Strength: Kat soups up Coop’s new soccer shoes to allow the wearer to run faster and jump higher, and Coop wears the shoes in the championship game.
Me Coop, You Kat: Kat turns Coop into a cave man, hoping his lowered I.Q. will make him easier to outsmart.Read More
You Scream, I Scream: Coop takes on the teen aged bully who pedals the Curly Swirl Ice Cream cart, and forgets to pay attention to Kat’s latest evil plans.
Good Luck Harm: Kat makes himself a high-powered good luck charm, which means bad luck for Coop.Read More
Bootsville's Most Wanted: Buck Diamond, Animal Protection Officer declares Coop `Bootsville's Most Wanted.'
Kat of Diamonds: Coop and Fiona have to settle their argument before they can work together to stop Kat in his evil tracks.Read More
Coop D'Etat: Kat and Old Lady Munson show up at school to torment Coop; Kat wants to steal the satellite from Bootsville's Museum, but Coop must stop Kat from stealing the satellite.
The Incredible Shrinking Coop: Kat shrinks Coop and Dennis down to size and tries to squash them like bugs, which makes it hard for Coop to do something big for Dad for Father's Day.Read More
Who's Haunting Who?: Kat thinks the haunted LeBoot Mansion will be the perfect place for an inter-space teleporter.
It's All in Your Head: Kat controls the mind of Agent Napolitan, but his plan goes down when some squirrels attack him.Read More
Family picture day has Millie and Dad dropping off Kat at the groomers. Kat does not take to being groomed. After finishing off the groomers, it's between Coop and Kat with Dad and Millie walking into the middle of the fight with the result being a hair-raising picture.Read More
The Kat Went Back Part 1: When Kat is fired for incompetence the Robo-Kat-Kops that are sent to take him home also capture Coop, Dennis, Fiona, Millie, Lorne, and Harley and take them to the Kat Planet.
The Kat Went Back Part 2: Coop and the rest of the kids need Kat's help to escape Kat Planet. Will he give it?Read More