Something About Fiona

E1

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

Tickled Pink

E2

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.

Flea Brains

E3

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

Menace the Dennis

E4

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

Cheeks of Evil

E5

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

Reap it and Weep

E6

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

Blasteroid Blues

E7

Coop tries to stop the destruction of Massive Mart.

Rat-a-Phooey

E8

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!

Trash Talking

E9

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

Over the Radar

E10

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

'Nuff Said

E11

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.

Rhymes With Coop

E12

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

Bringin' the Heat

E13

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

The Three Aarghs

E14

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

Kat to the Future (1)

E15

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 (2)

E16

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

Down the Drain

E17

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

9 to 5 to Oblivion

E18

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

When Bad Dogs Go Big

E19

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

The Bottyguard

E20

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

Rebel with a Claw

E21

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

E22

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

Hit the Road

E23

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

Never Cry Sheep

E24

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

Kickin' Butler

E25

Dennis is accidentally knocked into a portal around the world.

You Kat See Me

E26

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.

Keep on Rockin'

E27

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

E28

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.

King of the Pipsqueaks

E29

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

Down the Creek

E30

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

Turn the Other Cheeks

E31

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

Birthday Bashed

E32

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.

Mind Games

E33

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

Strange Kat on a Train

E34

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!

Board Kat

E35

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

The Treasure of Sierra Munson

E36

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

Fangs for the Memories

E37

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

E38

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

Hair Brains

E39

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

Hot Dog Day

E40

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.

Amazing Feet of Strength

E41

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

E42

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.

You Scream, I Scream

E43

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

E44

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

Bootsville's Most Wanted

E45

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

Kat of Diamonds

E46

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

Coop D'Etat

E47

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

The Incredible Shrinking Coop

E48

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.

Who's Haunting Who?

E49

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

It's All in Your Head

E50

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

The Kat Went Back (1)

E51

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 (2)

E52

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