Kiff and Barry show Kristophe a good time by taking him to the aquarium; when she can't find her friends, Kiff worries that she's starting to become annoying.
When Dipper and Mabel find evidence that the town founder is a lie, they go on an adventure to expose the historical cover-up and prove Mabel's theory.
Cricket convinces the family to visit a big-box retail store to get a good deal on a new television; Tilly befriends a cat that patrols the neighborhood.
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.
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.
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.
Phineas and Ferb decide that it is a good idea to create a mechanical adaptation of the historical shark of Danville Harbor at the Harbor Days Festival.
Phineas and Ferb put together a portal, and Candace unintentionally goes inside of it and reduces in size; Phineas and Ferb manufacture an enchanted carpet.
The Tri-State Area is changed into prehistoric Tri-Stone Area, and all the characters become cavemen and cavewomen; Phineas and Ferb enter an alternate world.
Devil Girl decides to start a friendship intervention between Moon Girl and The Beyonder but the tricker's emotional frustrations are messing with his powers.
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.
Experiment 285 causes Stitch to become lazy and unwilling to work, so Lilo won't have his help while trying to put a stop to one of Hamsterviel's evil plans.
Phineas and Ferb go out to fetch Doonkelberries for their mom's famous pie; the Fireside girls from France visit and help isabella capture a scary creature.