The Pines family seeks a return to a normal life following the Li'l Gideon incident by hosting a "Mystery Shack is Back" party but receive unwelcome guests.
Dipper finds secret pages in his journal that lead him and the gang to find the author of the entries, taking them to a hidden bunker and a figure of lore.
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 children try to retrieve Nancy's trailer after her old biker gang steals it; the Green family threatens Cricket's success with house-sitting for Remy.
Cricket is determined to avoid going to the dentist and Bill struggles to complete a puzzle; Tilly and Andromeda plan to stay up all night during a sleepover.
Billy and Nancy get ready for a special harvest dinner; Tilly aspires to win a trophy at the local community center and trains with the center's director.
Gloria and the Greens are forced to spend time in close quarters when they get stuck in an elevator; Remy succumbs to the effects of an internet influencer.
Cricket secures a place to appear in Big Coffee's upcoming television commercial; Bill struggles to adapt after he trades his old pickup for an electric car.
A 10-year-old boy tries to impress his new neighbors by sending a chicken into space; the young boy mistakenly misplaces his family's steaks on the subway.
Cricket is challenged to a high-dive jump when his family goes to an indoor pool; Tilly claims their goat has a dog's spirit so it can compete in a dog show.
Bill and the family's road trip to visit the country is interrupted by traffic; Tilly cares for eggs and hopes the chicks will imprint on her as their mother.
Cricket and his family prepare to make a big move from the country to Big City to live with Gramma; Cricket and Bill discover a nest of raccoons in the garage.
Tilly says that she saw stone gargoyles coming to life to impress her friend; Cricket strikes a deal with a chain of grocery stores to sell Bill's produce.
Cricket decides to spend his first tip by purchasing a toy fish; Cricket's family spends their first night at a hotel after Gramma kicks them out of the house.
Nani is having trouble paying the mounting bills resulting from Stitch's poor behavior and if Stitch continues to act up she may be forced to give him away.
Impressed with Experiment #458's ability to find anything, Lilo takes him to school for show-and-tell, upsetting Mertle who does not like losing the limelight.
Bill realizes that his favorite comic might not be who he claims to be, and Cricket takes on a comic who specializes in insults; Tilly defends Cricket.
As Cricket and Tilly spend time with their grandpa, Nancy tries to find him a job; Bill hoards various items in the hopes of ensuring his family's future.
When Mabel makes the decision to put on a sock puppet rock opera in order to try and impress a local puppeteer, the entire production is thrown into turmoil.
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.
The children sneak into Bill's truck when he goes out one night with a strange duffel bag; Cricket makes an impulsive decision to purchase a large pet snake.