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.

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

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 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.

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

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

Wally believes he can take on anything.

Gus and Wally compete to become a sidekick.

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

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.

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.

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.

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

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

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

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

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.

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.