Phineas and Ferb are as bored as they can be during the start of their summer vacation, and they decide to do something about it. Phineas comes up with the idea of building a rollercoaster in the house's garden, and the construction begins. However, Candace finds out, and seeing it as a violation of her being the boss, she tries to bring her Mother home from the supermarket, but it's not an easy job. Meanwhile, Perry the Platypus must stop Dr. Doofenschmirtz from succeeding his evil plans; using a giant magnet to reserve the Earth's rotation in the east and west.
Phineas and Ferb decide to create their own personal paradise in order to get some well deserved rest and relaxation. Meanwhile, Dr. Doofenshmirtz attempts to steal all of the lawn gnomes in the tri-state area, though Perry isn’t about to let that happen.
The boys write a hit song and perform it on ``Super American Pop Teen Idol Star''; Dr. Doofenshmirtz builds a giant robot.
The boys enter the family car in an auto race; Perry must stop Doofenshmirtz from deflating every inflatable in the world.
When the director walks off the set, the boys take over the creation of a movie which features Candace, changing the theme from a British period piece to a monster flick. Meanwhile, Doofenschmirtz uses a new aging machine he has created to age some gourmet cheese.
Boxer Evander Holyfield trains Phineas and Ferb for a fight with a bully.
While visiting Mount Rushmore, the boys plan a surprise for Candace's birthday.
Phineas and Ferb decide to clone themselves to make the best of their summer vacation.
Candace is forced to wear outfits designed by Phineas and Ferb when she becomes a model. Doofenshmirtz creates a cloning machine and makes a duplicate of himself.
The boys begin a cattle drive when they become cowboys. Meanwhile, Doofenshmirtz has an idea of promoting his aluminum siding sales by letting loose termites to consume everything made of wood.
The boys make it snow during the middle of Summer with the use of a snow-cone machine in their backyard. Meanwhile, Doofenshmirtz wants to drain all the chocolate in the tri-state area into his own candy factory by melting it with a device he's invented.
The boys enlist the neighborhood children to take part in their traveling backyard circus.
After visiting a local Egyptian movie theater, the boys decide they want their own mummy.
Perry must rescue the boys when they set off on a secret spy mission.
Phineas and Ferb build an ice-cream maker that will create the biggest sundae ever.
The boys design a wooden toy version of Perry, which becomes a hit.
Candace and the boys visit Grandpa Clyde and Grandma at their lake house.
When the boys build Candace a practice vehicle, she winds up in a monster-truck rally.
When the boys build a shrinking submarine to retrieve Isabella's sash from Pinky's stomach, they end up in the wrong place.
Dr. Doofenshmirtz makes Perry the Platypus jealous with his new nemesis; Phineas and Ferb travel back in time.
When Dad forgets his wedding anniversary, the children must find their parents' favorite band; Dr. Doofenshmirtz plans a birthday party for his daughter.
Phineas and Ferb build treehouses for themselves and Candace. Meanwhile, Dr. Doofenshmirtz plans to ruin a ceremony in his brother's honour.
The boys set out on a high-seas adventure after learning about a mysterious pirate from their grandpa. Meanwhile, Candace spies Perry and Dr. Doofenschmirtz up to their old tricks
After learning all about ancient Greece, the boys create a chariot race throughout the streets of the town. Candace films her brothers in secret for a reality show as they try to design a white-water rafting ride.
While on an archaeological dig, the boys discover a caveman who falls in love with Candace, who is dressed as a cave girl for costume party. Then, Phineas and Ferb assist Buford in locating his missing goldfish.
Candace winds up in a jousting contest when Phineas, Ferb and Candace visit their grandmother in England and the boys create a renaissance fair. Meanwhile, Doofenshmirtz attends a British convention which is dedicated to evil.
Perry wants to destroy footage from a traffic camera to keep his identity a secret, as Candace tries to use the film in hopes of proving her brothers create unusual stuff. Then, the guys decide to build the largest bowling ball and pins in the world, while Doofenshmirtz wants to rid the world of rainbows.
The guys decide to hold a competition between the girls to see which are better at sports. Also, the build a telescope in the backyard. Then, Jeremy's sister is tormenting Candace. Doofenshmirtz wants to be the winner of a dog show, and makes an attempt to liquefy a steak.
Phineas and Ferb build the castle of fear to help Isabella get rid of the hiccups. Meanwhile, Dr. Fufelshmerts suggests the order
Candace plans a special birthday for Mom, and even a song, but Phineas and Ferb are always getting in her way of what she planned. Doofenshmirtz creates a shrinking machine that will make whatever he hates implode.
The Great Indoors-Bad weather spoils Isabella's plan to earn a Fireside Girl patch, so Phineas and Ferb build a huge bio-dome to help her. Meanwhile, Candace works herself into a frenzy when she decides that she needs to find out what Jeremy likes about her. Over at Doofenshmirtz Evil Inc., Dr. Doofenshmirtz is trying to rain out a big soccer game, just so he can watch his favorite Mexican soap opera.
Canderemy-Candace realizes that she needs to spend more time with Stacy, so she vows to spend the whole day with her only. But while visiting Jeremy and his mom, Mrs. Johnson (voiced by Jane Lynch), Dr. Doofenshmirtz’s “Combine-inator” zaps her and Jeremy, literally joining them at the hip. Meanwhile, Phineas and Ferb build a giant robot dog which causes a lot of mischief.
Run, Candace, Run-Phineas and Ferb’s newest invention is a pair of boots which makes the wearer extraordinarily fast. Candace decides to wear them so that she can be in two places at once; at Jeremy’s family picnic, where she runs into Mrs. Johnson, and also at the library where she promised Mom she would read to the kids, but things go haywire when she accidentally uses unstable prototypes of the super-speed boots. Meanwhile, Dr. Doofenshmirtz’s building is put up for sale so he tries to convince a prospective buyer, Annabelle, who turns out to be a long lost relative of the Johnson family, that it is not worth buying.
Last Train to Bustville-Phineas and Ferb and their friends have a hot air balloon race to the top of Gerhardt Summit while visiting their grandparents, while Candace gives up on trying to bust Phineas and Ferb.
Phineas' Birthday Clip-O-Rama!-Ferb, Isabella, Irving, Baljeet, and Buford get a clip show together to celebrate Phineas' birthday; Candace saw this as the opportunity to bust her brothers. Meanwhile, Doofenshmirtz made a machine that will block his brother's series of live propaganda and replace them with his own image.
The Belly of the Beast-Phineas and Ferb create a giant mechanical shark at the Harbor Day festival, but Candace and Stacy, with the help of a sailor, go out to catch them at sea. Doofenshmirtz tries to use a large amount of saltwater taffy to give kids all over the world cavities.
Moon Farm-Phineas, Ferb, and their friends decide to milk cows on the moon to make better tasting ice cream. Doofenshmirtz uses his Moisture-Suck-Inator to dry out his neighbor's plants when he is jealous of his beautiful garden which he can't seem to grow for himself.
Ask a Foolish Question-Phineas and Ferb invent a supercomputer that can answer anything - even the toughest and most foolish of complicated questions, words, puzzles and ideas. However, Candace discovers this and tries to use the computer to help her bust her brothers, but, as usual, fails. Also, while the supercomputer flies up to Doofenshmirtz Evil Inc., the balcony explodes and the roof explodes and the whole building explodes causing the building to turn black except the middle and the lower floors. Dr. Doofenshmirtz loses his key to his All Purpose-Inator, and the supercomputer has it.
Misperceived Monotreme-Candace takes Perry to the Charity Pet Wash with her, preventing him from learning about Doofenshmirtz's newest evil plan. However, another platypus that escapes from the zoo accidentally completes his mission for him. Phineas and Ferb turn their house into a fun house.
Candace Disconnected-When Candace loses her phone, Phineas and Ferb make a phone for Candace with a transfer app that transports her to Easter Island. Meanwhile, Doofenshmirtz uses his invention to pick up Vanessa.
Magic Carpet Ride-Phineas and Ferb create a magic carpet, and Candace is convinced that fortune cookies will help her bust her brothers. Meanwhile, Doofenshmirtz uses an invention to ruin a painting.
Bad Hair Day-Candace uses Phineas and Ferb's hair growing machine.
Meatloaf Surprise-Linda joins Jamie Oliver as one of the judges for Danville's Meatloaf Festival Cook-off, as he stresses healthy eating and fresh ingredients. Meanwhile, Candace puts a bid on a prized souvenir resembling band members Nigel and Adrian from her favorite band, Tiny Cowboy, at the Rock and Roll Memorabilia Auction, but gets distracted when her brothers build a bounce house in their backyard. On the other side of town, Dr. Doofenshmirtz has plans to enter his family meatloaf recipe into the competition using "hate" as the special ingredient.
"Boys Interrupted" - When Mom tells Candace she wants to spend the day with her, Candace spends the entire time with her in the backyard so that she can bust her brothers. Unfortunately, Phineas and Ferb's grand plan for the day only entail watching the grass grow. Meanwhile, Agent P partners up with Dr. Doofenshmirtz to fix his destroyed "Dull and Boring Ray" into a "Dynamite Ray."
"A Real Boy" - When Dr. Doofenshmirtz thinks Vanessa overhears him say he would rather have a son to do his evil bidding, he feels terrible so he zaps her with the "Forget-about-it Ray." Meanwhile, Norm shares his feelings of wanting to be a real boy with Dr. Doofenshmirtz and decides to play up the "son" role. Back at the Flynn-Fletcher household, Candace has Stacy hypnotize her into ignoring the need to bust her brothers so that she can spend the entire afternoon relaxing with Jeremy, but unfortunately the hypnosis trigger words end up playing right into the boys' bouncy invention.
After Candace injures her ankle and is told to stay in bed, she drives herself crazy trying to get her Mom's attention in order to bust her brothers. Fortunately, Phineas and Ferb provide her with a box of items to stave off her boredom. However, it ends up being more of a hindrance, until she unknowingly helps the boys warn their cosmonaut friend about a dangerous obstacle approaching them.
Meanwhile, Perry interrupts Dr. Doofenshmirtz's Chicken Soup themed escapade.
Baljeet confesses that he is descendant from a long line of bicycle race losers that Phineas and Ferb enlist the help of cyclist Greg LeMond to help Baljeet compete in a bicycle race. Meanwhile, Doofenshmirtz uses his Pop-up-inator to annoy everyone in the Tri-State Area to make millions.
Phineas and Ferb build a giant version of a favorite childhood game, with Danville as the central location. Meanwhile, Doofenshmirtz takes Vanessa on a camping trip.
Ferb's cousin visits from England, so the boys build a soccer stadium to play in. Meanwhile, Candace tries to learn better etiquette to help her relationship with Jeremy; and Doofenshmirtz builds a device that makes any falling tree say his name.
When Lawrence heads out to attend a speaking engagement on antiques, he unwittingly finds himself participating in the L.O.V.E.M.U.F.F.I.N. Pageant of Evil against Dr. Doofenshmirtz and Rodney. As a special host oversees the proceedings, Perry is tasked with monitoring the situation, but Lawrence gets hit with Rodney's "Evil-inizer," and is crowned the supreme leader of L.O.V.E.M.U.F.F.I.N. Meanwhile, Candace is determined to bust the boys but doesn’t realize that they are actually helping with Mom's modern art installation. Across town, the boys are playing a giant game of darts.
The kids meet a boy and his father who believe their house is haunted; Doofenshmirtz transforms into a monstrous cow; Candace fears she is turning into a vampire after a bat bites her.
The kids meet a boy and his father who believe their house is haunted; Doofenshmirtz transforms into a monstrous cow; Candace fears she is turning into a vampire after a bat bites her.
Phineas and Ferb build a computer-controlled tower to explore the fine art of escaping; Doofenshmirtz tries to ruin his brother's meeting with a foreign dignitary.
Potato gremlins appear all over town when Phineas and Ferb clone a potato chip from Buford and it mixes with his DNA; Doofenshmirtz tries to summon the Spartan army with his historical army retrieve-inator.
Phineas and Ferb stage a traditional family Christmas special featuring their family, friends and Kelly Clarkson. Songs include: "Let It Snow"; "Good King Wenceslas"; and "We Wish You a Merry Christmas.
Phineas and Ferb find themselves in the Stone Age as cavemen and try to invent the wheel; the guys visit ancient China, where they try to rescue a princess who was taken prisoner by Doofus Khan.
Phineas and Ferb find themselves in the Stone Age as cavemen and try to invent the wheel; the guys visit ancient China, where they try to rescue a princess who was taken prisoner by Doofus Khan.
During medieval times, Phineas and Ferb (or, Ferb-a-lot) set off on an epic quest to find the legendary sword, Excaliferb, so they can defeat the evil sorcerer, Millifishmirtz.
After locating and retrieving the Amulet of Juatchdoon, adventuring archeologist duo Ohio (Phineas) Flynn and Rhode Island (Ferb) Fletcher set off to Central America to help Damsel in Distress Isabella find the Lost Temple of Juatchadoon and her missing mother. However, Dr. Doofenshmirtz has other plans for the amulet – to awaken the evil corn colossus to give him the power to destroy the world.
After losing a gift that Jeremy made for her, Candace is determined to recreate it before Jeremy realizes it's missing. Unfortunately, Candace can't remember what it looks like, so she enlists Phineas and Ferb to use their mind machine to enter into her subconscious and recapture the memory.
Meanwhile, Doofenshmirtz's evil plan is to use his Underwear-Inator to take over the Tri-State Area, since everyone's greatest fear is being caught in public in their underwear.
Thinking it would be cool to be part of an ant society, Phineas and Ferb create and infiltrate the Antius Maximus, a massive ant farm filled with giant ants. Suspecting that the boys are up to something, Candace accidentally drenches herself in the ant pheromones and follows them inside.
Meanwhile, Doofenshmirtz feels tired and lethargic after eating turkey and decides to create a Turkey-Inator that will create a sleeping epidemic in Danville by turning things into giant irresistible turkeys.
The boys suspend trampolines all over town, and Candace gets zapped by an antigravity device. Meanwhile, Doofenshmirtz invents a Tell-the-Truth-Inator that features Abraham Lincoln.
Phineas and Ferb create ninja costumes.
Meap's world is put in danger and the boys try to help him save the universe when they travel to Seattle. Meanwhile, Doofenshmirtz visits former nemesis Peter the Panda.
A delivery man discovers his job is to save Danville; Isabella captures a grizzly bear with help from friends visiting from France; Doofenshmirtz plots to untwist pretzels.
When the boys ask Candace to decide what they should do for the day, she slyly asks them to invent a device to attract their Mom so that she can finally bust her brothers. Meanwhile, Dr. Doofenshmirtz has invented a "Baby-Cry-Inator" designed to tarnish his goodie-two-shoes brother's image with the electorate.
Phineas and Ferb create a brain-booster hat for Baljeet when he complains that he's losing his mental edge.
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. Elsewhere, the guys create a colorful fall world; Doofenshmirtz mentors a student.
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. Elsewhere, the guys create a colorful fall world; Doofenshmirtz mentors a student.
In Across the 2nd Dimension, Phineas (Vincent Martella) and Ferb (Thomas Sangster) are celebrating the fifth anniversary in which they got their pet platypus, Perry (Dee Bradley Baker). They create a figure of Perry and it crashes into Heinz Doofenshmirtz's (Dan Povenmire) laboratory.
Phineas, Ferb help Dr. Doofenshmirtz rebuild his "Otherdimensionator" where Perry shows up and then they find themselves in an alternate universe where a second, truly evil Dr. Doof rules over his Tri-state Area with an army of iron-fisted robots.
To save his friends from certain doom, Perry makes the ultimate sacrifice by revealing his secret identity as Agent P. Phineas and Ferb escape, meet their 2nd dimension selves, during an escape from the 2nd Dimension Doofenshmirtz.
Falling down Doofenshmirtz Evil Inc., Perry inserts his legs in a skull's eyes and saves Phineas and Ferb, but when they reach the building below, Perry's legs get stuck in the skull's eyes from which he gets captured, the boys escape and begin their own mission to rescue Perry. As they uncover his plot to travel back to their dimension to take over their Tri-state Area, the gang, as well as their alter-egos, must band together to stop him. So begins an epic battle as Phineas And Ferb lead a resistance to try to save their home from the clutches of Evil Dr. Doofenshirtz and his sidekick Platyborg.