YAY-OK shows us the set and cast in a "Behind the scenes" style episode and Lord Peel tries to cancel the show, so he can leave for good.

Lord Peel captures the Monkeys and intends to make them pay for turning him from a mild-mannered alien who happens to look a lot like a banana, into an embittered super villain obsessed with revenge.

For Gus and Wally, scary equals funny, and they perform a series of pranks on each other to illustrate this comedic theory for YAY-OK. Not to be outdone, YAY-OK puts together a terrifying joke of his own.

It is Inspection Day, and the Rocket Monkeys are far from prepared. Gus thinks it will be easy enough to talk his way out of a bad report, but Wally's unhinged behavior threatens to interfere.

A fitting for new space-suits reveals that Gus's tail has grown just enough to classify him as a rare long-tailed monkey, which attracts Gamester X, an alien determined to add Gus to his collection.

After challenging the undefeated Space Gorillas to a match on the popular game show "Galactic Laser Blast!", Gus decides the only way the Monkeys can win is to bring in a ringer—YAY-OK.

Wally finally gets his own pet: Trixie, a toothy beast with an appetite for EVERYTHING, from the monkeys' food supply to the ship itself. As much as it hurts Wally, insatiable Trixie must be stopped.

Gus and Wally have a surprise for YAY-OK: they have located his estranged father. But YAY-OK has mixed emotions, as it turns out his dad is actually a doomsday device that had been powered-down for the good of all mankind.

Tired of Wally always touching his stuff, Gus gets his brother to promise "paws off." But when Wally's faced with Gus's Deep Space Dave laboratory play set, the temptation may prove too much.

Gus and Wally are shocked when their mom reveals her new suitor, Lord Peel. To prove he is a changed man, Banana-dude insists on highly hazardous, monkey-endangering fun.

An unfortunate haircutting accident reveals the crown-shaped royal birthmark of Eld under Wally's fur and his royal destiny as the rescuer of the frozen Princess Von Monkey.

Mission: escort criminal mastermind Monkevil to the prison on Alfatraz 8. No problem, until their prisoner turns out to be a beautiful female monkey who soon has Gus and Wally fighting for her love.

GASI has a new recruit: Monkevil, former super villain, and Gus and Wally's long standing crush. Though she excels during training, YAY-OK suspects that she has returned to her life of crime.

Nefarious's latest evil invention gives him control over Wally's tail.

Tired of always being assigned the lamest missions, Gus and Wally seek out lost pirate treasure.

A batch of toxic bananas has infiltrated the market, zombifying any primate who takes a bite, including Wally. Gus must travel to the bananas' source planet and find a cure for the zombie germ.

When Gus blames YAY-OK for his own mistake during a training exercise, Dr. Chimpsky sends them YAY-OK7, an updated replacement who is quick to assert his superiority over the original model.

The Monkeys are on lockdown until they clean their ship. Desperate to make it to All-You-Can-Eat-Monkey-Mondays at the GASI Café, they take a few shortcuts—and end up waking a hideous garbage monster.

When the trash-talking Space Gorillas hijack Gus's mission, the 'Rilla-Monkey rivalry returns with a vengeance. To redeem themselves, the Rocket Monkeys take on their most dangerous mission yet.

Gus and Wally cannot help themselves when it comes to anything round and bouncy—which makes it awkward when Chimpsky entrusts them with the highly explosive BALL (Ballistic and Lethally Loaded).

Gus takes a game of Trash Torpedo too far, shooting Wally's beloved ukulele into space. To get it back, the Monkeys must face Pinky-Winky, a mean-girl space creature with musical plans of her own.

Gus and Wally only need one more badge before they receive the prestigious GASI Red Tassel of Achievement, so when the opportunity arises to save a stranded princess, the boys jump at the chance.

Gus and Wally are charged with herding 2000 Zortoids through space for their annual feeding at Gluttonia, but Wally must face a test of his monkey ethics when he befriends one of the herd.

Gus and Wally win the "Have-Deep-Space-Dave-Stay-at-your-Place" contest, but Deep Space Dave proves to be an annoyance as the Monkeys tend to his every need.

A dangerous comet threatens to demolish Gus and Wally's beloved Banana Snack Shack.

Gus rescues a cool monkey named Joel and they quickly become best friends, but this new pal has a suspicious interest in Inky's highly collectible splatter art.

Lord Peel is out to expose the Rocket Monkeys' incompetence on his new tell-all television show, and the resulting backlash has Dr. Chimpsky insisting Gus and Wally change their ways.

Lord Peel seeks revenge on Gus and Wally by impersonating Santa and tricking them.

Gus and Wally try to get to a Christmas party before all there cake is eaten.

Wally sets out to return the delicious spirits of every banana he's eaten to their home planet.

Looking to expand his social circle, Wally reaches out to Spacebook-and instantly has hundreds of friends.

Gus makes a monster movie and posts it on Space Book (a parody of Facebook). The whole galaxy except YAY-OK and the monkeys think that YAY-OK has a disease because it was viral.

YAY-OK is put in charge by Dr. Chimpsky to decide whether Gus or Wally should be in charge of their money, after they blow all of GASI's budget on a shopping spree.

Gus and Wally let evil counterparts enter the world.

Gus and Wally lose their fun privileges.

YAY-OK becomes a bully when the monkeys re-wire him.

On GASI's "Switch Day," where everyone gets a new partner, the monkeys both end up getting a gorilla as their partner.

Wally has a flea who eats almost everything on the ship and hypnotizes him attached to his head.

YAY-OK meets his creator who thinks he is no good anymore and hurts his feelings.

When the Monkeys are relegated to the kids' room at a party, Gus decides to infiltrate the adult festivities next door.

While combing the dump for replacement rocket parts, Wally stumbles upon a Spacey Cake oven.

Gus and Wally use all of Inky's ink so they must get more

Gus and Wally keeping an animal.

Gus and Wally discover the truth about Pinky Winky's real size.

YAY-OK takes a job as a butler for Lord Peel.

Nefarious finally gets to leave his asteroid, only to see his family.

The Monkeys mom comes to visit.

Gus teaches Wally about survival, while on a stranded planet.

Wally believes he can take on anything.

Gus and Wally compete to become a sidekick.

He-Rilla & She-Rilla are getting married but Gus hurts She-Rilla's feelings at the wedding and he must make her feel better again.

Gus has never liked birthdays, but he gives in and opens what he assumes is Wally's birthday surprise - a box of Green Goo.

To keep the Monkeys safe, YAY-OK purchases a state-of-the-art primate protection device.

Thinking that Gus has caught the fatal and fictional disease "Monkey-Itis", Wally tries to make his brother's last days as comfortable as possible, no matter how much he hurts him in the process.

In order to hide Deep Space Dave from a fire-breathing beast, Wally turns the rocket ship into a disco club.

A short-tempered robot named Belindor steals Yay-Ok's "robo-mojo" as revenge for ignoring her in high school.

In an attempt to out-do the Space Gorilla's best-selling fragrance, Gus and Wally create Monké, a horrifying smell of their own.

Monkevil refuses to marry a giant insect beast, but the groom will not take no for an answer, so Wally disguises himself as the girl monkey and takes her place.

Gus and Wally win a trip to "Banana Fun Land", which turns out to be a ruse by Lord Peel in order to trap them on a deserted planet. However, when Banana-Man (Lord Peel) gets stuck in there as well, he starts bounding with the monkeys.

Nefarious, disguised as Inky, manages to get inside the rocket ship, but ends up in the middle of a competition of affection between Gus and Wally.

The monkeys find their long-lost father frozen in a block of ice and are thrilled to spend some quality time with him, but first they must teach the middle-aged monkey to overcome his old-school mannerisms.

Thanks to the monkeys, Chimpsky loses his job and is demoted to a Jr. Jr. Jr. Rocket Monkey 3rd Class. Gus and Wally take advantage of their 2nd class status and make the former GASI chief do their bidding.

Lord Peel has a new plan: get the monkeys to hate bananas. While he does succeed at first, things take a horrible turn when Gus and Wally are determined to eradicate every single banana in the galaxy.

Gus and Wally find out that their old college roommate Cornelius J. Simian is now a scientist and take him for a day of partying to revive the good ol' days. However, without Simian's surveillance, his galaxy-destroying weapon "Blackhole-Inator" is activated.

It's "Robot Appreciation Day", so Wally and Gus give Yay-Ok a baby-robot for him to take care of. However, the little bot takes more of a liking to the monkeys than his own father.

The monkeys go to dangerous lengths to prove who can out-share the other.

The citizens of GASI headquarters start disappearing by a bright blue flash and the monkeys plus YAY-OK must save them. The citizens of GASI headquarters had also turned into princess monsters created by an evil princess named Princess Monstare. Eventually YAY-OK tries to fight her, but she turns into a robot with him and the monkeys must save him and stop her.

Gus and Wally are supposed to be taking care of their grandmother.

When Wally discovers that he is able to coax music from a rock, a jealous Gus tries to prove that said rock is alive and making the music on its own.

When Gamester X discovers that Yay-Ok was the star of the superhero show Thunderbot, he captures the robot in order to make a series finale, as the original show ended on a cliffhanger.

After admitting he is a banana, Lord Peel organizes a commemorative "Banana Day Parade" in order to lure Gus and Wally off a cliff. However, he also falls off and lands nearby a family of banana hillbillies, whose daughter wants to marry Peel.

A doodah gives Gus and Wally one of his wish feathers as a reward for saving his life. But the duo want more feathers, so they put the bird-like alien through several dangers in order to save him again and again.

Wally refuses to share his birthday party with Nefarious, who has been invited aboard the rocket ship for the day.

When Yay-Ok starts to feel old, he gives himself a hip new upgrade. However, a misunderstanding causes Gus and Wally to believe that this new robot has killed their old pal, so they put him on trial.

Lord Peel finds a way to ruin Halloween.

Gus turns Yay-Ok into a werebot in order to prove that they exist.

Someone on the ship has been tattling to Dr. Chimpsky. After some investigations, Gus, Wally and Yay-Ok soon find the culprit: the house plant.

The monkeys are excited to see the premiere of the new Deep Space Dave movie, but their plans are thwarted when Chimpsky gives them an incredibly boring mission: repeatedly push a button to avoid freeing a giant monster.

Yay-Ok encounters Belindor again, who hypnotises him into staying with her and doing whatever she wants. The monkeys try to stop her in order to save their robot pal and see the new wrestling event: Bananarchy.

After a misundertanding causes Gus and Wally to cut down the Boom-Boom Tree, home of the nearly extinct Boom-Boom, they are forced to take care of the homeless annoying creature while a new tree is grown in "about a hundred years."

Gus and Wally have a new and very important mission: build a protective orb around an extremely unstable quasar. After they made the orb as best as possible, they just realize the door knob is missing and leaving them stuck inside the sphere as well.

When Yay-Ok's robo-ripener hits Wally, it gives him a mustache, which means he is now the more mature monkey. This makes Gus jealous, especially when the new facial hair causes Monkevil to start falling in love with his brother.

The monkeys realize Yay-Ok is holding in all his robo gas.

The monkeys ruin an old friend's career.

Gus stretches the truth about his heroic missions and wins several awards, sparking interest from Wally.

When Gus and Wally unknowingly leave YAY-OK stuck on top of the rocket ship, the two must prove that they are independent during what they think is a zombie attack.

Do-gooder documentarian Jane Goodspace attempts to rescue the monkeys from their ship and return them to their natural habitat.

When the monkeys keep saying "Zargles!", YAY-OK gets annoyed and tries to make them not say it, even if it takes gazillion times or more.

Gus steals sodas from a vending machine, which tries to reclaim its lost drinks.

There is a villain that the monkeys don't know a lot about and in order to they must get new security photos.

Dr. Chimpsky's nephew visits, but he is not who he says he is.

The monkeys try to return alien balloons to their home planet.

Wally is the most adorable agent, but as soon as a Rocket bunny appears in the scene, Wally gets an adorable makeover in order to become more adorable than the bunny once again.

YAY-OK loses a "Robot of the Year" pageant and he must prove to his dad that he doesn't have to work with him. He wants to be with the monkeys more.

The monkeys go camping and come across Lord Peel, but mistake him for Squamitch.

Gus and Wally desperately try to prove that they are different from one another, which interferes in their newest GASI mission.

The ship flies through a dimensional hoop and picks up an extra Gus, leaving Wally as the odd monkey out.

Gus and Wally want to go to a new, but highly suspicious amusement park.

When Wally loses a tooth he eagerly waits for the banana fairy to put a golden banana under his pillow, but she has retired and Gamester X replaces her using the monkey teeth to build things. The monkeys and YAY-OK try to get her to give the monkeys their golden bananas because Gus also lost a tooth in process.

Wally messes up the delivery of an alien brain, which actually boosts his IQ.

Lord Peel finds an abandoned baby Hate-a-Saurus and tries to raise it to destroy the monkeys.

Wally hides Space Bees in the ship and declares himself queen bee.

When the monkeys work YAY-OK too hard, he loses his wheel. His inventor comes and gives him a fancy pair of legs, until he can make YAY-OK a new wheel.

The monkeys want to take a peek inside the "little girls room" (a bathroom for girls), but YAY-OK is guarding the door to it and won't let them inside.

Gus and Wally transform a cardboard box into the S.S. Monkeyship.

The monkeys keep on pretending to be hurt, so they can get more treats from their mom.

Dr. Chimpsky has a party, but no one comes to it. The monkeys and YAY-OK try to turn this around for him.

Lord Peel tries to make the monkeys afraid of the color yellow.

YAY-OK shows the monkeys a panic room and they keep on making up emergencies, so they can go inside. YAY-OK gets annoyed with this.

When Yay-OK goes back to school to finish his degree, he discovers that it has changed a lot since he was last a student.

When Gus and Wally can't open a ketchup bottle to put on their favorite banana bread, they enlist the help of GASI's most wanted criminals to open it for them.

Gus and Wally trick Yay-OK into believing he's turned into a monkey. But when the robot goes all out with his simian silliness, the monkeys realize they've pushed the joke too far.

The monkeys learn that they're on Santa's "Super-Naughty" list for Christmas and have to do one good deed before the midnight bell rings. However, they fail to do so even with YAY-OK's help. YAY-OK buys a eraser machine that looks like a pencil and the monkeys and him go to the past and future see what life is and was like without the monkeys. The monkeys get put on the "ok" Ok list for now for making messes for YAY-OK's robotic cleaning crew to clean up and sending their kids to college. The monkeys get YAY-OK a picture of himself in the future with cutouts of the monkeys on it and in return, he gives them Lord Peel.

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Gus and Wally break the butt off the statue of GASI's most decorated general.

A fight over Monkevil's affections causes a rift between Gus and Wally.

Gus and Wally stumble on the concept of apologising.

Lord Peel is trying to join a fancy social club, and enlists the Rocket Monkeys for help.

Nefarious invites the Rocket Monkeys to a slumber party so that he can steal their rocket ship, but struggles to keep the two monkeys asleep.

When Yay-OK's younger sister comes to visit, he tries to keep her away from Gus and Wally.

It turns out that Inky is a rental, and his lease period is up.

Bernice and Yay-OK get into a disagreement over whom the Rocket Monkeys love more.

Gus and Wally discover a mysterious "Switch of Doom", which of course they can't stop flipping.

When Gus stiffs a waiter on his tip, the server seeks revenge with a cursed bucket of fortune clams.

Yay-OK wants to compete on his favourite reality game show, 'Top Bot', but has to convince Gus and Wally to nominate him first.

After an epic war between robots and bananas breaks out, YAY-OK puts the monkeys into a deep cryogenic sleep to prevent them from suffering, during a war between bananas and robots. The monkeys sleep for 1000 years and YAY-OK and Lord Peel fight.

Yay-OK needs a break from all the crazy monkey shenanigans, so he activates a copy of himself to cover for him while he goes to a spa. However, when the monkeys destroy the clone, they think that the real Yay-OK is a ghost seeking revenge.

When Yay-OK gets sick due to a virus that the monkeys downloaded on him, he tries to call Slo-Mo to take care of him. Nefarious overhears him and disguises himself as the female robot in order to gain control of the rocket ship.

Deep Space Dave and the Purple Puzzler aren't talking. If the monkeys ever want to see their favorite show again, it's up to them to reunite the stars.

When Gus's new glasses up his stock considerably, a jealous Wally purchases a questionable knock-off pair, with horrifying results.

Yay-Ok's popular comedy routine is fueled by monkey jokes, but Gus and Wally find out and refuse to give him any more material.