Episode 1
Something About Fiona
Coop falls for Old Lady Munson’s niece Fiona, and Kat does everything he can to make Coop look bad.
Episode credits
Written by Louise Moon

TV series
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.
Streaming, rental and purchase options
Checked Jul 22, 2026
Kid vs. Kat is available to stream on Prime Video, Hoopla, Pluto TV, The Roku Channel, Tubi, and ViX in United States. You can also rent or buy it from Google Play, Amazon, and Apple TV. Use the direct links below to open the provider.
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.
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Episode 1
Coop falls for Old Lady Munson’s niece Fiona, and Kat does everything he can to make Coop look bad.
Written by Louise Moon
Episode 2
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.
Written by Vito Viscomi
Episode 3
Kat's swarm of flea-sized mind control robots hop into the ears of the people of Bootsville and soon they all destroy Coop.
Written by Marcy Brown, Dennis Haley
Episode 4
With Coop out of town, Kat wants to turn water into milk and Dennis comes to the rescue.
Written by Peter Sauder
Episode 5
Millie brings home the class hamster, unaware that Mr. Kat hates hamsters.
Written by J.D. Smith
Episode 6
When Kat uses his growth ray to bury Bootsville in a catnip jungle, Coop is blamed by the irate Bootsville Gardening Club.
Written by Richard Elliott, Simon Racioppa
Episode 7
Coop tries to stop the destruction of Massive Mart.
Written by Dan Williams, Lienne Sawatsky
Episode 8
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!
Written by Vito Viscomi
Episode 9
Coop and Dennis climb inside Kat's scratching post and discover Kat's alien technology has created an infinity within.
Written by Louise Moon
Episode 10
Coop, Millie, and Dad are taken away to a top secret base to be interrogated, after a UFO investigator suspects they are aliens.
Written by Shane Simmons
Episode 11
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.
Written by Shane Simmons

Episode 12
Due to an ‘over-loading’ problem on the Kat Nebula, Kat plots to turn Bootsville Beach into a giant litter box.
Written by Brian Lasenby

Episode 13
Kat’s devious magnifier satellite is causing a dangerous heat wave in Bootsville.
Written by J.D. Smith

Episode 14
Coop and Dennis compete with one another to reduce their carbon footprints.
Written by Kendra Hibbert

Episode 15
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.
Written by Marcy Brown, Dennis Haley

Episode 16
Coop tries to undo the Kat invasion, which he brought about by fooling with Kat’s time machine.
Written by Marcy Brown, Dennis Haley

Episode 17
Coop becomes Dennis’ wing-man for a change, as they go in search of the 'sewer-croc-baby'.
Written by Shane Simmons

Episode 18
Coop breaks every window in Dennis' house, and is forced to work off his debt by working in Henry's store.
Written by Vito Viscomi

Episode 19
Growler swallows a Kat device which makes him grow to the size of a T-Rex.
Written by Robert Pincombe, Shelley Hoffman

Episode 20
Kat's malfunctioning spybot thinks Coop is its new master, and wants to protect him from Kat.
Written by Dan Williams, Lienne Sawatsky

Episode 21
The Kat Kommander's rebellious son runs away to Earth, where he becomes a handful for Kat, and a danger to the human race.
Written by Louise Moon

Episode 22
Dad accidentally swaps an assortment of Kat's weapons to the unwitting residents of Bootsville.
Written by Marcy Brown, Dennis Haley

Episode 23
Kat is left at a kennel while the Burtonburgers go on vacation.
Written by Shane Simmons

Episode 24
Kat becomes obsessed with making the biggest yarn ball ever made, and starts rustling sheep to gather their wool.
Written by Louise Moon

Episode 25
Dennis is accidentally knocked into a portal around the world.
Written by Hugh Duffy

Episode 26
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.
Written by Kendra Hibbert

Episode 27
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.
Written by Ben Joseph

Episode 28
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.
Written by Mike Kiss

Episode 29
Old Lady Munson's garden gnomes come to life and mistake Coop as their leader.
Written by Johnny John-John Kearns

Episode 30
Old Lady Munson tells Millie creative stories about her adventures in the past.
Written by Shane Simmons

Episode 31
The evil alien hamster Mr. Cheeks comes back to get revenge on his nemesis, Kat.
Written by J.D. Smith

Episode 32
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.
Written by Louise Moon

Episode 33
Dad orders Coop to spend more quality time with his little sister; Kat builds a telepathy helmet.
Written by Miles Smith

Episode 34
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!
Written by Doug Molitor

Episode 35
Coop and Kat fight over the animal's new lightning box generator and end up swapping brains.
Written by Vito Viscomi

Episode 36
Coop discovers buried treasure under Old Lady Munson's house.
Written by Kirk E. Paul, Adrian Vershinin

Episode 37
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.
Written by Shane Simmons

Episode 38
Kat builds a device that brings an assortment of movie monsters to life.
Written by Roger Fredericks

Episode 39
Coop and Dennis battle Kat's army of living hairballs.
Written by Shane Simmons

Episode 40
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.
Written by Richard Elliott, Simon Racioppa

Episode 41
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.
Written by Roger Fredericks

Episode 42
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.
Written by Louise Moon

Episode 43
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.
Written by Robert Pincombe, Shelley Hoffman

Episode 44
Kat makes himself a high-powered good luck charm, which means bad luck for Coop.
Written by Kendra Hibbert

Episode 45
Buck Diamond, Animal Protection Officer declares Coop "Bootsville's Most Wanted".
Written by Greg Sullivan

Episode 46
Coop and Fiona have to settle their argument before they can work together to stop Kat in his evil tracks.
Written by Louise Moon

Episode 47
Kat and Old Lady Munson show up at school where they work together to make Coop's life miserable.
Written by Shane Simmons

Episode 48
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.
Written by Marcy Brown, Dennis Haley

Episode 49
Kat thinks the haunted LeBoot Mansion will be the perfect place for an inter-space teleporter.
Written by Robert Pincombe, Shelley Hoffman

Episode 50
Kat controls the mind of Agent Napolitan, but his plan backfires when some squirrels attack him.
Written by Shane Simmons

Episode 51
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.
Written by Vito Viscomi

Episode 52
Coop and the rest of the kids need Kat's help to escape Kat Planet. Will he give it?
Written by Vito Viscomi
Episode information updated Jul 24, 2026
Brian Drummond(voice)
Kathleen Barr(voice)
Trevor Devall(voice)
Grey DeLisle(voice)
Tara Strong(voice)
Kath Soucie(voice)
Carter Jenkins(voice)
Rob Paulsen(voice)