Coop and Kat fight over the animal's new lightning box generator and end up swapping brains.

Board Kat

Brian Drummond

Kathleen Barr

Trevor Devall

Grey DeLisle

Tara Strong

Kath Soucie

Carter Jenkins

Rob Paulsen

Cathy Weseluck

Erin Matthews

Linda Sorensen

Tabitha St. Germain

Tom Kane

Tress MacNeille

Kevin Michael Richardson

Frank Welker

Sean Marquette

Pamela Adlon

Vito Viscomi

The Treasure of Sierra Munson

Strange Kat on a Train

Coop falls for Old Lady Munson’s niece Fiona, and Kat does everything he can to make Coop look bad.

Something About Fiona

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.

Tickled Pink

Kat's swarm of flea-sized mind control robots hop into the ears of the people of Bootsville and soon they all destroy Coop.

Flea Brains

With Coop out of town, Kat wants to turn water into milk and Dennis comes to the rescue.

Menace the Dennis

Millie brings home the class hamster, unaware that Mr. Kat hates hamsters.

Cheeks of Evil

When Kat uses his growth ray to bury Bootsville in a catnip jungle, Coop is blamed by the irate Bootsville Gardening Club.

Reap it and Weep

Coop tries to stop the destruction of Massive Mart.

Blasteroid Blues

Kat builds a Rat-ray gun, which he plans on using to turn Coop into a rat, but Dad gets zapped instead, so Coop hopes he can change Dad back... If he can catch him first!

Rat-a-Phooey

Coop and Dennis climb inside Kat's scratching post and discover Kat's alien technology has created an infinity within.

Trash Talking

Coop, Millie, and Dad are taken away to a top secret base to be interrogated, after a UFO investigator suspects they are aliens.

Over the Radar

After taking the fall for one too many of Kat's destructive escapades, Coop decides to let Kat have free rein to cause whatever destruction he wants.

'Nuff Said

Due to an ‘over-loading’ problem on the Kat Nebula, Kat plots to turn Bootsville Beach into a giant litter box.

Rhymes With Coop

Kat’s devious magnifier satellite is causing a dangerous heat wave in Bootsville.

Bringin' the Heat

Coop and Dennis compete with one another to reduce their carbon footprints.

The Three Aarghs

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 (1)

Coop tries to undo the Kat invasion, which he brought about by fooling with Kat’s time machine.

Kat to the Future (2)

Coop becomes Dennis’ wing-man for a change, as they go in search of the 'sewer-croc-baby'.

Down the Drain

Coop breaks every window in Dennis' house, and is forced to work off his debt by working in Henry's store.

9 to 5 to Oblivion

Growler swallows a Kat device which makes him grow to the size of a T-Rex.

When Bad Dogs Go Big

Kat's malfunctioning spybot thinks Coop is its new master, and wants to protect him from Kat.

The Bottyguard

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

Rebel with a Claw

Dad accidentally swaps an assortment of Kat's weapons to the unwitting residents of Bootsville.

Swap Wrecked

Kat is left at a kennel while the Burtonburgers go on vacation.

Hit the Road

Kat becomes obsessed with making the biggest yarn ball ever made, and starts rustling sheep to gather their wool.

Never Cry Sheep

Dennis is accidentally knocked into a portal around the world.

Kickin' Butler

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.

You Kat See Me

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.

Keep on Rockin'

Coop searches for the last available bag of the feline's favorite food after the factory that makes it closes down so he can taunt Kat.

It's in the Bag

Old Lady Munson's garden gnomes come to life and mistake Coop as their leader.

King of the Pipsqueaks

Old Lady Munson tells Millie creative stories about her adventures in the past.

Down the Creek

The evil alien hamster Mr. Cheeks comes back to get revenge on his nemesis, Kat.

Turn the Other Cheeks

Coop's birthday is here, and everyone is coming to his party, and Phoebe is trying to get rid of Fiona so she can have Coop to herself. Meanwhile, Kat is trying to enjoy a virtual picnic in a secluded spot with his girlfriend, but the kids and Coop keep crashing Coop's birthday.

Birthday Bashed

Dad orders Coop to spend more quality time with his little sister; Kat builds a telepathy helmet.

Mind Games

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!

Coop discovers buried treasure under Old Lady Munson's house.

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.

Fangs for the Memories

Kat builds a device that brings an assortment of movie monsters to life.

Drive-In Me Crazy

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

Hair Brains

It's Hot Dog Day, and Coop has the honor of being named Keeper of the Weiner Water. But Kat wants to ruin the most special day of the year.

Hot Dog Day

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.

Amazing Feet of Strength

Kat turns Coop into a cave man, hoping his lowered I.Q. will make him easier to outsmart. Now Dennis must change Coop back to human.

Me Coop, You Kat

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.

You Scream, I Scream

Kat makes himself a high-powered good luck charm, which means bad luck for Coop.

Good Luck Harm

Buck Diamond, Animal Protection Officer declares Coop "Bootsville's Most Wanted".

Bootsville's Most Wanted

Coop and Fiona have to settle their argument before they can work together to stop Kat in his evil tracks.

Kat of Diamonds

Kat and Old Lady Munson show up at school where they work together to make Coop's life miserable.

Coop D'Etat

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.

The Incredible Shrinking Coop

Kat thinks the haunted LeBoot Mansion will be the perfect place for an inter-space teleporter.

Who's Haunting Who?

Kat controls the mind of Agent Napolitan, but his plan backfires when some squirrels attack him.

It's All in Your Head

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 (1)

Coop and the rest of the kids need Kat's help to escape Kat Planet. Will he give it?

The Kat Went Back (2)

Ten-year-old Coop Burtonburger's life takes a turn for the worse when his little sister, Millie, brings home a mysterious stray cat who, in reality, is an evil cybernetic alien in disguise. To make matters worse, neither his family nor anyone else believes him, except for his best friend, Dennis. Now, Coop risks his life every day as he attempts to foil the cat's diabolical schemes and prove to the world that the family pet is an evil mastermind.

Board Kat

Seasons2

Season 2 Episodes52

Cast18

Crew1

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Episode Summary