Provider: Eastern (ET) Change
The boys discover a caveman during an archaeological dig, and he falls in love with Candace, who is dressed like a cave girl for a costume party; Phineas and Ferb help Buford hunt for his missing goldfish.
The boys construct a miniature golf course; Doofenshmirtz moves to the suburbs and gets annoyed by his neighbor; Phineas and Ferb invent a body transporter and it causes Candace and Perry to switch bodies.
Phineas enters a thumb-wrestling competition with a local bully after getting tips from boxing champion Evander Holyfield; Doofenshmirtz creates a hypnotic device to control people's minds so they will be forced to sing to him on his birthday; the boys tak (more…)
Phineas and Ferb are turned into babies by Doofenshmirtz's "Babe-inator," but the crazed doctor soon decides to give up his evil ways and join Perry as an agent for good; the guys help a damsel in distress find her missing mother in Central America.
The boys compete with a pair of visiting brothers who also like to build ambitious projects to see who can construct the best backyard fort; Doofenshmirtz attends a family reunion; the guys build a passenger plane to rival the famous Spruce Goose.
The boys produce a TV game show and Candace appears on it to catch Jeremy's attention; Phineas and Ferb build an elaborate car wash to help the Fireside Girls with a fund-raiser; Doofenshmirtz creates a device that literally makes mountains out of molehill (more…)
Candace tries to be in two places at once by donning a pair of boots created by her brothers that make the wearer extraordinarily fast; the guys race a hot-air balloon while visiting their grandparents; Doofenshmirtz tries to prevent his building from bein (more…)
The third season begins with Phineas and Ferb building a gigantic biodome during a bit of bad weather to help Isabella earn a Fireside Girl patch. Later, the guys create a robot dog and Candace meets Jeremy's mom (Jane Lynch).
Candace tries to get footage from a traffic camera to prove that her brothers create unusual stuff, but Perry wants to destroy the video to preserve his secret identity; the boys build the world's largest bowling ball and pins; Doofenshmirtz tries to get r (more…)
The guys travel into the future to find a tool not yet invented in the present. While there, they meet a futuristic Candace, who follows them back in time to expose their antics to their mom. Her actions accidentally foil Perry's plan to defeat Doofenshmir (more…)
Carl bribes Monty after learning about Monty's secret relationship with Vanessa; Candace tries to get a neighbor to rat on her brothers; the guys reenact the Trojan War; Perry discovers Doofenshmirtz has trouble throwing things away and helps him find his (more…)
The guys believe Perry is lost and try to find him, not knowing he has been reassigned to track a new villain after Doofenshmirtz is downgraded to a low-level threat; the family is shipwrecked on an island where Doofenshmirtz is creating a new business.
Phineas and Ferb create a computer that can answer any question, so Candace asks it to tell her how to bust her brothers; the guys build a fun house; Perry misses his 100th battle against Doofenshmirtz when Candace takes him to a charity pet wash.
Phineas and Ferb make a phone for Candace with a transfer app that transports her to Easter Island; the boys create a magic carpet; Doofenshmirtz tries to ruin his brother's painting when it's unveiled at an art show.
The boys learn about one of Ferb's Victorian ancestors, who helped a scientist create a monster; Phineas and Ferb help a friend display his artwork; Doofenshmirtz recalls the story of his great-great-grandfather Dr. Jekyll Doofenshmirtz.