Merian takes on the case of a destructive space chimp when it scares everyone; Pliny wants to play a game after learning the kids discovered sand bars.
After Dipper locates a secret room inside of the Mystery Shack, Mabel decides that she wants to use the are too, and the pair challenge on another for it.
After Mabel learns that her top popular music group is really a gang of trapped clones, she releases them, however she goes back on that decision later.
Rainy weather outside prompts Phineas and Ferb to shrink down their friends and play hide-and-seek inside their house; the boys help Baljeet with a girl.
When a bulb goes out, Tilly and Billy go on an adventure to find an e-waste center and recycle it; Tilly tries to make peace between Gramma and Mr. Grigorian.
Tilly cleans up dog droppings to inspire people to participate in community improvement; Nancy starts a U-pick operation while being suspicious of Nick.
Big Tech launches its AI-generated television shows which are based on the people of Big City; Tilly's positive thinking is tested when test driving a go kart.
The Greens get quite the work out at Big City's newest gym; Cricket finds a loophole in his curfew that will allow him to go to a late-night drone show.
Gramma assembles a seaworthy crew to get the packages back from the porch pirates; Nick creates a fake scout troop so Cricket and Tilly can raise money for him.
Cricket tries to win his girlfriend back after they break up; Bill sets out to win after noticing that Cricket has started to be better at things than him.
The Greens family causes a lot of trouble during free samples day at the farmer's market; Cricket and Nancy cover Smalton in toilet paper for pranking glory.
In hopes of defending his undefeated record, Kamen X is challenged by a blader called the Queen of the Beasts who has 9999 wins and 9 losses under her belt.
Phineas, Ferb and Candace go skating with their grandmother, who used to belong to a championship roller derby team; Dr. Doofenshmirtz builds an evil invention.
The boys build a miniature golf course; Doofenshmirtz finds suburbia isn't as great as he thought; Phineas and Ferb invent a transportation device with kinks.
A traffic camera catches Dad speeding, and Candace realizes that Phineas and Ferb's mischief was also caught on camera; making the world's largest bowling ball.
Phineas and Ferb find a capsule that has landed in the backyard; the brothers create their own model solar system, and Doof holds a seminar for other inventors.
Filmmaker Star Butterfly reveals how The Quackstreet Boys rose to fame and reveals the circumstances that made them fall and how it affected their friendship.
A future version of Phineas must choose a college to attend, a decision which is complicated by the revelation that someone he knows has a crush on him.
A 10-year-old boy possesses great curiosity and enthusiasm that help lead him and his family on a series of adventures into the minds of his new neighbors.
A 10-year-old boy possesses great curiosity and enthusiasm that help lead him and his family on a series of adventures into the minds of his new neighbors.
Kiff and her friends invent a new game that becomes a new professional sport; Kiff and Secretary Prince accidentally break the principal's juice machine.
With Doofenshmirtz defeated, Phineas, Ferb, Candace and her fighters believe they are safe, but a new villain from the 2nd Dimension puts them back into action.
Kiff regrets her decision to see the inside of the faculty lounge; Kiff wants to retake her career test, so she tries to fail at being Helen's assistant.
Kiff and Barry cannot agree on how to fulfill the wish Helen granted them in exchange for moving a piano; Kiff gives a new student a tour of the school.
Baljeet travels all around Danville in an oversized plastic bubble; Isabella and the Fireside Girls go on a sap hunt in order to get their collection badge.