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.
Doof steals shrunken goods as the Flynn-Fletchers go on a cruise; Doof renews his evil business license, and Isabella tries to lead the Fireside Girls.
Bill and Chip Whistler strike up a friendship as the Green family attends Farm Con; Cricket becomes $100 richer and is convinced to use it for an investment.
Young Bill is determined to ensure the family farm remains in business; Tilly and Nancy try to sit next to an important person at Saxon's birthday party.
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.
Now that Team Persona's next match has been decided, they have to fight against Teams Yggdrasil and Zooganic without knowing the details of the battle.
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.
Phineas and Ferb design a four-wheeler that can climb anything, even buildings; Candace and Stacy go to a leadership seminar; the boys build a skyscraper.
When the boys' lemonade stands begins to turn a big profit, they offer franchises; Candace becomes mayor for a day and creates new laws to catch her brothers.
Phineas and Ferb plan to turn the city of Danville into a beautiful, flickering thank you card to Santa Claus; Doofenshmirtz creates the "Naughty-inator."
When the boys sell their idea for a toy replica of Perry, not everyone is happy; Candace is forced to dress up as Perry at the toy store where she works.
The boys decide to organize a traditional family Christmas special; Phineas and Ferb use a snow-cone machine to make a mystifying mix of winter and summer.
Well-known NHL player Luc Robitaille helps Phineas and Ferb turn a basic hockey game into a professional one; Candace comes up with a New Years resolution.
The boys look for their mother's wedding ring while Vanessa and Doof go to Drusselstein; the kids build a bird mansion while Doof deals with giant mantises.
Phineas and Ferb plan to turn the city of Danville into a beautiful, flickering thank you card to Santa Claus; Doofenshmirtz creates the "Naughty-inator."
When the boys sell their idea for a toy replica of Perry, not everyone is happy; Candace is forced to dress up as Perry at the toy store where she works.
OWCA and LOVEMUFFIN square off in a soccer match; Doof attempts to give his own personality to his brother Roger, but his inator hits lots of different people.
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.
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.