After a mishap in the lab, everyone in the castle- except for Puppycorn- is shrunk to tiny size! Puppycorn thinks it is cool. His friends are like living action figures! So he begins playing with them in imaginary adventures. Unikitty and the others think being miniature and playing with Puppycorn is surprisingly fun, but Puppycorn has a habit of accidentally breaking his toys, and it is soon clear the gang will have to make a daring, tiny escape back to the lab before Puppycorn loves them to pieces!
Unikingdom is throwing a kingdom-wide dance, a fun event where everyone dresses up and busts a move. Everyone is excited... except for Richard, who is terrified to let loose and feel his inner groove. Unikitty knows Rick needs to express himself but can she and the others convince him to break out of his shell with some minor robotic body enhancements?
It's Christmas Eve and Brock is excited for Santa to come and visit as he settles down for a bedtime story from Master Frown, Unikitty and gang burst in. They are there to stop Master Frown from ruining any more Christmases. Frown pleads innocent but Unikitty and the gang tell the stories of the past Christmases he has already ruined. Will Frown prove his innocence or will he rocket to the top of the Naughty List?
The gang are at the local laundromat cleaning their clothes, when Unikitty finds Batman's uniform mixed in with her clothes. Intoxicated by the coolness of it, Unikitty takes on the persona of Batman and begins to fight crime. When she accidentally causes Master Frown to step up his crime game, she will need the help of her friends, dressed as Robin, to stop him.
Unikitty and the gang are having a great time at the public pool, until they try to get Puppycorn to swim in the deep end with them. Puppycorn is terrified of the deep end. Now Unikitty and the gang must get him over his fear, so he can have maximum pool fun. Meanwhile, Master Frown and Brock are hatching a plan to ruin everyone's fun, by pulling the pool's plug.
Puppycorn loses his first tooth and Unikitty's excited for her little bro, now he​ ​gets a visit from​ ​the​ ​legendary Tooth Fairy!​ ​But when the Tooth Fairy is a no-show, Unikitty and her friends take on the mantle and responsibilities. But will they play too fast and loose with loose teeth and hit a raw nerve?
The gang is planning a surprise for Puppycorn, so they spell things out when talking so he won't find out. Desperate to know what they're saying, Puppycorn finds a magic book that he thinks will help him learn to spell, but unbeknownst to him, it's teaching him how to cast spells! Will Puppycorn realize that knowledge is power and some secrets are kept for a reason?
Richard has decided to take Unikitty and the gang for a pleasant and relaxing 10 hour road trip. At first everyone is against the trip, but they soon start to have fun. Unfortunately, their idea of fun is not Richard's. He soon begins to give in to his inner road-rage. To make matters worse they are being chased by a killer semi-truck, and their car has been invaded by weird bug hitchhiker. Will Richard loose it, or will the trip be a great success?
When Puppycorn witnesses Unikitty do the most embarrassing thing ever, he vows he will never forget it. Desperate, Unikitty uses Dr. Fox's memory machine to erase Puppycorn's memory of the embarrassing event. In the process, Unikitty accidentally releases all of Puppycorn's memories. Now she and the gang must scramble to capture all the scampering memories, or Puppycorn will forget his life.
In an effort to prove to Master Frown that she is no tyrant, Unikitty agrees to hold an election to see who will be the new princess of the Unikingdom. In a shock, Master Frown takes an early lead in the poles. Unikitty discovers Frown is winning because he's cheating. Will she resort to her own dirty tricks to win the election or stay true to her self and try to win by being nice?
It's a sleepover at the castle and Unikitty and Puppycorn want to stay up all night, believing something magical must happen if you stay up long enough.​ At first the friends are game to stay up all night, but as they fall asleep one by one, Unikitty worries they won't make it! How far will she and her bro go to stay awake, and will they discover the secret reason people are supposed to go to bed when the Sandman shows up?
Unikitty and her friends have an exciting day at their favorite amusement park/carnival boardwalk but Frown and Brock are there to ruin their good times and drive everyone out! The park owner warns Unikitty that if attendance keeps dropping the pier ​will close forever! Can the friends take charge, save the park, and find out Master Frown's secret ​motives? What a roller coaster of emotions!
The gang's set for an awesome weekend of glamorous, easy-living camping out in fun, friendly nature! But when Hawkodile challenges their idea of camping (it should be a fight for survival in the hostile woods), the gang switch places, with Hawkodile living a luxurious glamp life while Unikitty and the others survive in the wild. Will Unikitty still believe the "great outdoors" are all that great if they meet their doom by natural causes?
On a routine mission, Hawkodile finds some defenseless chipmunks that imprint on him.​ ​The bird bodyguard takes it upon himself to become their Sensei teach the younglings his warrior ways, but Unikitty worries his training is too intense. Will Hawkodile's "all work, no play" lifestyle push the chipmunks too far?
When boredom levels in the castle hit dangerously high levels, Dr. Fox conveniently introduces her P.L.O.T. Device. When pressed, this device alters reality to make it more exciting. Richard warns that this might be dangerous, but no one listens. It's not long till he is proven correct and life in the castle becomes dangerously exciting.
To help combat bummer feelings, Unikitty's installed Bad Vibe detectors throughout the castle. But soon, annoying beeping detectors fill the halls, and they can't find the source of the bad vibes or shut off the sound! It would seem someone's not owning up to being in a bad mood.Will the friends figure out who is secretly a Negative Nancy, or will they lose their mind to beeping madness?
Unikitty and gang have ordered some delicious Thai food for dinner. Unfortunately the wait for the delivery is proving too much, time itself seems to have slowed down. In an effort to get the food their faster the gang utilizes Dr. Fox's time machine, which causes big problems and really hurts Father Time's feelings.
Unikitty and the gang have crashed on a fabulous island. It's really nice and no one wants to leave until Richard convinces them that they need to return to the Kingdom and deal with their responsibilities. Unfortunately every attempt to escape the island is sabotaged. Now they must find the culprit to ensure their return home.
When Master Frown starts a prank war with UniKingdom, the friends are ready to strike back. But Unikitty doesn't really understand pranks, thinking they're too mean. Can the friends help Unikitty comprehend a proper goof and win the prank war with Frown? Or will they be forced to suffer his tricks without retaliation and admit defeat?
Concerned about Puppycorn's propensity to hurt himself constantly, the gang places him into Richard's old Safety Suit. The suit does indeed keep him safe, but when Puppycorn purposefully puts himself in danger the suit goes into lock down, and won't allow him to move. Now the gang must figure out a way to get him out of the Safety Suit.
The gang is taking an airplane trip together, and Hawk is at the helm since today he's taking his captain's license test. However Richard is terrified of flying, so Unikitty & Puppycorn spend the chaotic flight trying to help Rick conquer his fear of flying while Dr Fox joins Hawk in the cockpit to help him pass his test. After a destructive and dangerous flight, Rick makes it safetly back on the ground (after surviving the plane crashing). Hawk fails his test but gets to take it again next week, so the gang is excited for another free flight.
Brock drags Master Frown along to join him in following his dream, to become the Flyer on a cheerleading team. They team up with Unikitty & the gang and go head to head against Really Old Edith and her rival cheer team of meanies. But when the gang finds Brock is too heavy to be the Flyer they're forced to try a bunch of ridiculous ways to get him off the ground.
When the kingdom runs out of inspiration, Unikitty takes it on herself to re-inspire the citizens with a riveting game of kickball where she and the gang form a ragtag team of underdogs, who are supposed to win a miraculous unexpected victory against Master Frown, Brock & The Doom Lords. But when the Doom Lords end up stinking at kickball, and the people are uninspired by the good guys' easy victory, Unikitty switches things up and joins the real ragtag team, The Doom Lords, to help lead them to a victory that finally inspires the kingdom.
An asteroid is headed right for the kingdom, so Dr Fox leads the gang on a mission to save the kingdom by flying a rocket to the asteroid's surface and blowing it to bits with a huge bomb. But when they get there the gang finds the lonely asteroid is actually a super nice guy and don't want to blow him up.
Dr. Fox catches a “common cold” and does everything in her power to cure herself, ignoring the gang’s pleas that she takes the day off and rest.
Dr. Fox's plan to deliver donuts all over the kingdom are sidetracked by Unikitty's reluctance to follow instructions.
When Hawkodile discovers his old enemy Eagleator has a new nemesis in his life, the gang do all they can to get Hawk back on his foe's radar.
Unikitty takes in a radioactive caterpillar and raises it like a baby, unaware of the havoc it will wreak as a full-grown adult.
Richard discovers his library books have been borrowed by Master Frown and sets off on a crazed mission to return the books before they're overdue.
Master Frown and Brock attend a friendship-themed competition intending to ruin it for everyone else, but soon discover their own friendship in need of repair.
The gang infiltrate an escape room game center to thwart Score Creeper, but their former foe claims he only works there to pay the bills.
When Unikitty accidentally invokes an ancient curse, the gang must beat Master Frown and Brock back to the castle to avoid getting turned into rotten eggs.
The gang argues about which type of candy is the best, so they bring their sweets to life so they can battle each other for dominance.
Unikitty throws an elaborate award show for everyone in the Unikingdom, including Master Frown and Brock, but tensions rise when Frown fails to win an award.
Unikitty and her friends secretly orchestrate a series of fun birthday surprises for Master Frown, but their efforts don't bear the fruit that they anticipated.
Following the events of Master Frown's birthday, Unikitty and the gang form a resistance group to restore peace in the Unikingdom.