Dr. Doofenshmirtz se une a Candace y Jeremy; Phineas y Ferb construyen un perro robot enorme que causa problemas; Phineas y Ferb construyen un biodomo gigante.
El experimento 251 es activado accidentalmente y comienza a unir a la gente que encuentra con una cuerda pegajosa, junta a Lilo y Mertle, Jumba y Pleakley, etc.
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.
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.
Mabel Pines plans a date with Gruffi Gummi; the gang tries to keep quiet as Gramma Alice and Suga Mama try to sleep; Kiff and Maggie play a video game.
Zed and his pals discover that the new mini fridge they found is too small for them to all share; Bree deals with a negative comment that erodes her confidence.
Tater investigates a mysterious, forgotten cousin; Tater helps Gordita create a special gift for Buela that requires them to tap into their artistic skills.
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.
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.
Chip Whistler comes back for vengeance against Cricket and the Greens; Tilly and Andromeda assume they are invited when Gloria reveals plans for a night out.
Lilo y Stitch descubren que Mrs. Hasagawa ha adoptado muchos gatos, que no son gatos sino experimentos; Jumba corre el riesgo de perder su membresía en E.G.O.
El grupo se halla de vacaciones en Hawai, pero el experimento 285 está sin control, el grupo usa un satélite para localizarlo y así poder desactivarlo.
Polly works on a scheme to get more attention from her family; Hop Pop attempts to make his acting dreams a reality by making the family join a theater troupe.
Hop Pop forces Sprig and Polly to complete a treacherous mountain trail so they will get along better; Sasha and Grime must flee from a skilled warrior.
Gloria forces the Greens to play a part in her mounting series of lies about her success to her parents; Cricket is determined to find Big City's best pool.