Kid vs. Kat

Coop Burtonburger meets Kat for the first time when his younger sister unexpectedly brings the cat home.

Coop watches a horror film, and afterward, Kat uses flour to whiten her skin in an attempt to frighten him.

Old Lady Munson forbids Coop from entering her yard, but Kat deliberately encourages him to repeatedly break the rule.

Kat is given a collar to quiet her excessive meowing, but she ultimately attaches it to Coop's foot instead.

Coop and Dennis construct a tree fort, which Kat later uses to enhance his collar's capabilities by climbing to its high vantage point and making contact with other "Kats.

Coop is wrongly accused of taking cookies, leading to a misunderstanding that puts his reputation at risk.

Coop becomes determined to uncover the truth about Kat after her X-rays are mysteriously destroyed.

Coop devises a scheme to retrieve a helicopter from Old Lady Munson, which may belong to his father.

Coop falls ill, causing tension in the household, especially with Kat, who becomes increasingly agitated due to her sensitivity to germs.

Coop discovers magical items in his father's store and uses them in a magic act that accidentally causes Kat to vanish.

Kat uses a hypnotic toy mouse to influence the neighborhood cats, assembling them into a loyal cat army.

Coop tries to get rid of Kat by claiming he's allergic to her, hoping Dad will send her away. However, Kat outsmarts Coop by pretending Dad is also allergic to him, turning the situation against him.

Coop and Kat become stuck together when their hands become glued, leading them to spend the day together. As they work on assembling Coop's Mechanizor Warrior robot, Kat proves unexpectedly helpful. However, Coop later discovers that Kat has secretly programmed the robot to destroy him, with the realization that she will also be destroyed in the process.

Coop enters Kat in a local pet contest in Bootsville, hoping to win a world tour, but becomes anxious about having to travel with her if they win.

While Coop focuses on preparing for an important test, Kat tries various methods to distract him. Unexpectedly, her interventions help Coop retain the material, resulting in him scoring a B+ on the exam.

Coop finds a motivational tape at the House of Swap that transforms him into a positive force, but Kat reverses its effects, draining him of his newfound power. To combat Kat's manipulation, Coop must harness the tapes to become a more powerful version of himself and confront her.

Coop finds himself in a challenging situation when he is tasked with babysitting Kat, Old Lady Munson, and her large, intimidating dog, Growler.

Coop devises a scheme to earn money for a Captain Blasteroid Helmet by offering to mow Old Lady Munson's lawn, but Kat attempts to sabotage the plan by using her powers to make the grass grow faster.

To prove that he isn't responsible for the ongoing destruction, Coop must stay constantly by his father's side, inadvertently placing Dad and Millie in danger. As threats escalate, Coop must remain alert to protect his family.

A weekend camping trip becomes a competition between two fathers to prove their superior outdoor skills. Meanwhile, Coop and Dennis guide Kat through increasingly intense encounters with the wilderness.

For Bootsville's annual Spaced Out-themed parade, Dad designs a Flying Saucer float to promote the House of Swap.

A father constructs an elaborate ice palace and rink in his backyard, bringing winter wonder to his family and guests.

Kat uses the opportunity of Dad transforming the House of Swap into a horror-themed attraction to pursue real bloodshed.

Coop brings home a science project featuring a carrot suspended in a glass of water.

Museum staff investigate mysterious Egyptian artifacts that are later discovered to be advanced technological devices originating from Kat's alternate world.

Millie becomes close to a new school friend who is very similar to her, causing her to grow distant from Kat.

Coop, in need of a science project, takes one of Kat's unusual inventions without understanding its purpose.

Coop is determined to help Bootsville secure a victory in an upcoming baseball game against Timber Lane.

During a family outing to the store, Kat's actions lead to Coop being banned from the grocery store.

Dennis and Coop's fathers suggest they bring back a local tradition by participating in a "round the block" golf challenge.

The Burtonburgers compete against friends and neighbors in a community Fishing Derby, testing their skills and patience on the water.

On Parents' Day, a father visits the school to observe his children's classes and activities alongside other parents.

After Kat and Millie humiliate Coop at school by flipping him, he seeks help from Dennis to learn martial arts.

On April Fools' Day, Coop's constant joking causes the town to dismiss his warnings, making it difficult for him to convince anyone—including Dennis—of a real threat when Kat appears to be leading a UFO invasion.

Coop adopts a large stray dog to protect Kat after she is frightened by it, but the animal proves more challenging than expected. When Coop's plan to use the dog as a guard goes awry, Kat takes control and re-trains it, leading to unintended damage to their home.

Kat faces his fear of snow to help Coop compete in the Demolition Run, a high-stakes tobogganing challenge.

Coop and his friends are caught by the police and a neighborhood resident for causing a disturbance late at night.

Kat works to refine a teleportation device in an effort to send Fishy Frisky Bits across space to his home planet.

Kat asks for a day off, but Coop and the others insist on playing capture the flag, leading them to Kat's hidden forest sanctuary.

Curious about OLM's unexpected enthusiasm for Coop and Dennis's favorite show, the two friends grow determined to uncover her reasons, leading to their own deepening fascination with the series.

The town prepares for Bootsville Days, an annual festival marking its founding, while Coop finds himself competing in an unexpected event—the Battle of the Bugs.

Kat has been indulging in too many snacks, leading to a noticeable weight gain. Her once-slim figure is now rounded with excess flab, drawing attention to her changing appearance.

Coop discovers a talent for communicating with animals after bonding with Kat, and soon finds himself becoming friends with all the neighborhood pets.

Coop and Dennis join the school soccer team, but Coop's focus on individual showmanship begins to clash with the importance of teamwork.

Kat experiences heightened hearing when his listening transmitter gets stuck in his ear.

Following Kat's destructive outburst, Dad initiates a major home renovation project.

Convinced he's becoming a were-cat after Kat scratches him, Coop begins experiencing strange changes. His friends try to help him understand what's happening. The situation leads to both comedic and unsettling moments as Coop deals with his fears.

Coop and Dennis decide to go trick or treating on Halloween, despite Kat's disapproval.

Kat attempts to use a universal remote control to gain access and manipulate Earth's computer systems.

Coop and Kat join a local rocketry club, and Coop gains popularity for his talent. Meanwhile, Kat secretly intends to use Coop's rocket to carry out a mission to destroy a satellite.

Coop struggles to enjoy a peaceful Christmas as Kat's unpredictable actions repeatedly cause problems, while also revealing Kat's longing for his alien family. Complicating matters further, Coop and Millie's grandparents are delayed in their arrival for the holiday.

In this episode, the main characters face unexpected challenges that test their relationships and force them to make difficult decisions. As tensions rise, secrets begin to surface, altering the dynamics within the group. Meanwhile, a mysterious event sets the stage for a dramatic shift in the storyline.

Coop develops a crush on Fiona, the niece of Old Lady Munson, while Kat tries to undermine their relationship by making Coop appear unattractive.

Millie discovers a sensitive spot on Mr. Kat that causes him to become incapacitated with pleasure, compromising his effectiveness as an alien agent. Learning of his vulnerability, Kat's empire sends a robot to eliminate Millie.

Kat uses tiny mind-control robots that enter the ears of Bootsville's residents, leading them to destroy Coop.

Kat attempts to transform water into milk in Coop's absence, and Dennis helps her with the process.

Millie brings the class hamster home for the weekend, but her father, Mr. Kat, secretly despises hamsters.

Kat accidentally triggers a growth ray, causing a catnip jungle to overtake Bootsville, leading the Gardening Club to wrongly accuse Coop of the chaos.

Coop takes action to prevent the demolition of Massive Mart, leading to a series of events that challenge his efforts to save the iconic location.

Kat constructs a Rat-ray gun with the intention of turning Coop into a rat, but Dad accidentally gets hit by the device instead. Coop then sets out to track down Dad before he can cause any lasting damage.

Coop and Dennis investigate Kat's scratching post and find that her alien technology has generated a contained infinity. They explore its properties and implications.

Coop, Millie, and their father are detained at a classified government facility for questioning after a UFO researcher grows suspicious and believes they may be extraterrestrial.

Frustrated by constantly covering for Kat's reckless behavior, Coop decides to stop intervening, allowing Kat to face the consequences of his actions on his own.

Kat, dealing with an overload issue in the Kat Nebula, devises a plan to transform Bootsville Beach into a massive litter box.

Kat's secret satellite, designed to magnify images, inadvertently triggers a dangerous heat wave that threatens the town of Bootsville.

Coop and Dennis engage in a friendly rivalry to see who can lower their carbon footprints more effectively.

Coop travels to the past using Kat's time machine in an attempt to prevent Millie from bringing Kat home, but his actions unintentionally lead to a worse future.

Coop attempts to reverse the invasion caused by the Kats, which resulted from his interference with Kat's time machine.

Dennis enlists Coop as his partner in a quest to find a mysterious creature known as the "sewer-croc-baby.

Coop accidentally breaks all the windows in Dennis' house and is required to repay the damage by working at Henry's store.

Growler accidentally ingests a Kat device that causes him to grow to the enormous size of a T-Rex, leading to chaos and a desperate effort to shrink him back to normal size.

A malfunctioning spybot programmed by Kat mistakenly identifies Coop as its master and begins acting to protect him from her.

The son of the Kat Kommander defies authority by fleeing to Earth, causing trouble for Kat and posing a threat to humanity.

A mix-up causes Kat's collection of weapons to be delivered to the residents of Bootsville, leading to unexpected consequences.

Kat is temporarily boarded at a kennel while the rest of the Burtonburger family takes a vacation.

Kat becomes determined to create the largest yarn ball in existence and begins rounding up sheep to collect their wool.

Dennis is unintentionally sent through a portal that transports him around the world.

Kat uses his invisibility to disrupt Coop's efforts to impress Fiona and to embarrass him when Coop's teacher visits for dinner at Dad's house.

Coop's grandparents visit, and Dad surprises them with rocking chairs, expecting a quiet stay. To his surprise, they turn out to be thrill-seeking adventurers who quickly accept Kat's alien identity.

Coop sets out to find the last bag of the cat's preferred food after the factory shuts down, intending to use it as a tool to provoke Kat.

Old Lady Munson discovers that the gnomes in her garden have come to life and begin following Coop, mistakenly believing he is their leader.

Old Lady Munson shares imaginative and elaborate tales of her past adventures with Millie.

Mr. Cheeks, an evil alien hamster, returns seeking revenge against his longtime nemesis, Kat.

Coop celebrates his birthday with a gathering of friends and family, while Phoebe attempts to remove Fiona from the scene in hopes of spending time with him. At the same time, Kat tries to have a quiet virtual picnic with his girlfriend, but their plans are repeatedly disrupted by the arrival of Coop and the children.

Coop is tasked by his father to spend more time with his younger sister, while Kat works on constructing a helmet designed to enable telepathic communication.

Coop boards a train to meet a man named Old Herman to make a purchase, but he soon discovers that the seller is actually Mr. Cheeks, an evil alien hamster.

Coop and Kat argue over control of the animal's new lightning box generator, leading to a scientific mishap that causes them to swap brains.

Coop uncovers a hidden treasure buried beneath the home of Old Lady Munson, sparking curiosity and excitement in the town.

Kat uses a memory-erasing device, causing Coop to forget her true identity as an alien. Meanwhile, Dad unintentionally gains access to Coop's lost memories and discovers the unsettling truth about Kat.

Kat creates a machine that accidentally animates a variety of classic movie monsters.

Coop and Dennis team up to confront a mysterious threat as Kat unleashes an army of animated hairballs. The episode follows their efforts to stop the chaotic invasion and restore order.

Coop is chosen to oversee the sacred Weiner Water on Hot Dog Day, but Kat's plans threaten to disrupt the celebration.

Kat modifies Coop's new soccer shoes to enhance speed and jumping ability, and Coop uses them during the championship game.

Kat uses magic to turn Coop into a caveman, believing his reduced intelligence will make him easier to manipulate, forcing Dennis to find a way to reverse the transformation.

Coop confronts a teenage bully who operates the Curly Swirl Ice Cream cart, while Kat pursues a new scheme in the background.

Kat creates a powerful good luck charm, unintentionally causing misfortune for Coop.

Buck Diamond, an animal protection officer, issues an arrest warrant for Coop, labeling him "Bootsville's Most Wanted.

Coop and Fiona must resolve their differences in order to collaborate and stop Kat from carrying out his sinister plans.

Kat and Old Lady Munson arrive at Coop's school, where they team up to harass and undermine him.

Kat accidentally shrinks Coop and Dennis to insect size, complicating Coop's plans to do something special for Father's Day.

Kat believes the LeBoot Mansion, known for its haunting, is an ideal location to build an inter-space teleporter.

Kat takes control of Agent Napolitan's mind, but her plan is disrupted when Napolitan is unexpectedly attacked by a group of squirrels.

Kat is fired for being unable to perform his job, and robotic police officers are dispatched to take him home, but they also arrest Coop, Dennis, Fiona, Millie, Lorne, and Harley, transporting them all to Kat Planet.

Coop and the other children find themselves trapped on Kat Planet and must rely on Kat to help them escape. As tensions rise, the group faces uncertainty over whether Kat will choose to assist them.