Eureka thinkers a way to bring the moon inside her home so her friends can read at night. Dipply wakes up with a toothache but is scared to see Sierra, Rocky Falls’ dentist.
The Rocky Falls kids learn a new dance for school and everyone is able to master the routine except for Pepper! Barry wants to be like his dad, the town’s “Fix-It Man”.
Barry is painting KB's portrait for the Cave Library’s “Hall of Creatures", but KB won’t sit still! Eureka accidentally loses her pencil in the Sticky Spiky Swamp.
Eureka learns Barry's biggest wish is to have a beach party for his winter birthday. Eureka is so good at playing Ptero-Tap, she invents a ball machine to serve as a competitor.
Eureka thinks she can run the restaurant by thinkering up inventions! Barry invites KB to live in his room, but quickly discovers that KB isn’t the roommate he hoped he would be.
Bog normally pays little attention to his pet Ump, until he discovers Ump has laid an egg! Eureka and her friends share a pizza, and become determined to make every slice “fair.”
Only Bog is able to play Eureka's new invention, so she invites him to join her band. When two activities fall on the same day, Eureka builds a zipline to take her back and forth.
Eureka builds a wheel contraption to help Rollo make several pots at once. Eureka tries to make a super-strong glue to put a painting on her wall but can’t find the right recipe.
Eureka thinkers a way to bring the moon inside her home so her friends can read at night. Dipply wakes up with a toothache but is scared to see Sierra, Rocky Falls’ dentist.
Dipply’s rash needs to heal before the beach picnic, but all her scratching only makes it worse. Bog loses Clod’s stuffed turtle, and launches a cover-up to build a new Quishy.
When snow threatens to stop Paleo’s Soup Night, Eureka invents a snow-mover. The kids are fans of Eureka's new invention, the Flower Power-er, but the sound upsets Murphy.
Inspired by Barry’s painting and Eureka-made super-gear, Pepper becomes the Mightysaura! To get Paleo ready for Rocky Falls Appreciation Day, Eureka invents Smoppy, a cleaning bot.
When Eureka’s balloons lift off with Barry's drums, the trio goes in a blimp to get it back. Barry has trouble waking up for school, so Eureka builds him the first alarm clock.
When Eureka’s Grandma Wanda sends her a special shell, Eureka builds a music box. Eureka builds identical twins Cypress and Spruce a “wheelasaurus” for their birthday.
Jack Carter je úspěšný a docela chytrý federální šerif. Zrovna když veze domů svou dceru, která uprchla z domova, zabloudí na zapadlých silnicích Ameriky a aby toho nebylo málo, havaruje. Naštěstí se nehoda odehraje poblíž městečka Eureka, kam americká vláda od nepaměti posílá své nejlepší vědátory. Zatímco šerifovo auto putuje do servisu, začne si Jack Carter budovat renomé. A protože jsme v Eurece, kde žije většina těch nej, nepotrvá dlouho a své místo si zde najde i nejlepší šerif.