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School's out for the summer, and stepbrothers Phineas and Ferb decide to make each day an adventure.
The boys try to cure Isabella's hiccups
Grandfather tells the boys about a relative called Phineastein
When the boys learn that Santa isn't coming to Danville, they take over.
Candace uses boots that the boys invented to be in two places at once.
The boys create a biodome so Isabella can earn her Fireside Girl patch.
Phineas and Ferb make a mechanical version of a historical shark.
It's Phineas' Birthday and Ferb has come up with a plan to celebrate!
Candace discovers that the boys have invented a super computer.
When Candace loses her phone, she asks Phineas and Ferb for help.
Candace gives herself a bad haircut.
It's the stone age and Phineas and Ferb decide to invent the wheel!
Mom tells Candace that she wants to spend the entire day with her.
When Candace is stuck in bed, the boys give her a box of things to do.
The kids build a giant version of their favorite childhood game.
Ferb's cousins from England challenge him to a game of soccer.
Perry wins a contest and becomes the spokesanimal for Totally Tools.
The kids encounter a strange boy who is convinced his house is haunted.
The boys' computer-controlled escape tower becomes self aware.
Phineas and Ferb decide to create their own language - Ferb Latin!
The boys decide to put on a family Christmas special.
The boys learn that animal celebrity, Crikey the Crocodile, is missing.
Phineas and Ferb decide to create a Perry that can do everything with them.
Phineas and Ferb-a-Lot set out to find the legendary sword, Excaliferb.
After losing a gift that Jeremy made, Candace is determined to recreate it.
Doof shows up at OWCA claiming to have had an epiphany.
Follow Paul the Delivery Man as he journeys to Phineas and Ferb's house.
When Mom asks the kids to be quiet, Phineas and Ferb created ninja outfits.
Mom is out of Doonkelberries for her famous Doonkelberry pie.
Phineas and Ferb invent a new game - jet pack volleyball.
The boys are attacked by an alien robot!
Phineas and Ferb ask Candace what SHE wants to do today.
Vanessa and Major Monogram's son, Monty, go out for coffee together.
Doof turns himself into a platypus to defeat Perry.
Phineas and Ferb discover that a planet is hurtling directly toward Earth.
Phineas and Ferb go on safari while Perry stays behind to protect Danville.
While Phineas and Ferb are on safari, Perry appears with evil Carl.
Candace is put in charge right before the entire city loses electricity.
Norm is the host of a reality show that looks back at the life of Doof.
Candace pretends to likes hockey, and the boys descend from space.
This Halloween episode contains three stories which see Perry become evil, Doof meeting a giant floating baby head that grants wishes, and Candace’s doll come alive and stalks her.