Summer is all about adventure for stepbrothers Phineas and Ferb in this animated Disney Channel comedy series. They're all about having fun, taking it from building roller coasters all the way to building tree houses, which eventually will morph into a giant robot. While their older sister,… More Candace, tries to catch them, things don't always seem to go her way when their mom comes home and Phineas and Ferb are just sitting under a tree with no evidence to support her, thanks to their pet platypus, who is secretly an agent out to stop an evil, if not slightly childish, genius.
Candace and Suzy try to get Phineas and Ferb to bust themselves, the boys build a replica of Niagara Falls so they can ride a barrel over it, Doofenshmirtz builds a device to increase his carbon footprint, but his idea of doing it involves using a large foot made of carbon paper.
Lawrence's memory is accidentally erased by a gadget in Perry's lair before participating in a father-daughter race with Candace, so Perry operates a robot version of Lawrence to fill in for him. Meanwhile, Dr. Doofenshmirtz invents an opposite of glue named "Eulg," which breaks stuff apart rather than join it together.
In this healthy lifestyles episode, Agent P must stop Dr. Doofenshmirtz from spraying a partially hydrogenated coconut oil and corn syrup concoction over the entire Tri-state area to turn lean meats, whole grains, fruits and vegetables into junk food...
Phineas and Ferb create an orb that allows them to pass through solid objects and to ultimately, help them retrieve Mom’s favorite guitar pick for her gig at the Mayor’s Day Festival. Candace sees their orb as the perfect way to bust them and brings it to Mom, but en route to the festival, the troublesome Wilkens Brothers put a kink in her plans. Meanwhile, Dr. Doofenshmirtz attempts to destroy a statue erected in his brother Roger’s honor.
Phineas and Ferb turn the city of Danville into a giant thank you card for Santa Claus because they feel nobody ever thanks him for all the joy he brings to the world.