Follow the inventive stepbrothers as they tackle another 104 days of summer. Candace is more determined than ever to finally bust her little brothers...

While their mother is out shopping, the boys build a roller coaster. Dr. Doofenshmirtz and Perry battle due to the doctor's evil plan of throwing the...

Phineas and Ferb's newest backyard project is to create a tropical beach paradise. Meanwhile, Perry tries to stop Dr. Doofenshmirtz's plan to steal...

Phineas and Ferb decide to become a one hit wonder, Phineas and the Ferb-Tones and Candace wins the chance to sing with them. Meanwhile, Perry must...

Phineas and Ferb enter the family car in an auto race, while Candace has to bust them and impress Jeremy. Meanwhile, Perry must stop Dr....

Upon hearing that her favorite play is being made a movie, Candace rushes to try for the lead, only to see that Phineas and Ferb have become the...

Phineas enters a thumb-wrestling competition with a local bully, while Doofenshmirtz creates a hypnotic device to control people's minds so they will...

Phineas and Ferb decide to carve Candace's face into Mount Rushmore for her birthday present, while Perry attempts to stop Doofenshmirtz from making...

Phineas and Ferb clone themselves so they can complete more projects while Doofenschmirtz hovers over his girlfriend's house with a huge magnet to...

Candace becomes a model, and is forced to wear outfits designed by Phineas and Ferb while Doofenshmirtz designs a machine to create clones of...

When Doofinshmirtz unleashes his army of termites to eat all the wood in the tri-state area, Phineas and Ferb use their newfounded love of a cowboy...

The boys use a sno-cone machine to create a Winter paradise during the middle of Summer in their backyard, Candace tries to pursue Jeremy (who thinks...

The boys create a circus for the neighborhood after their original circus plans are canceled, while Jeremy gives Candace wild parsnips which she is...

Phineas and Ferb visit an Egyptian-themed movie theater and attempt to get a mummy of their own, but they end up capturing Candace, who is wrapped in...

Ferb and Phineas accidentally discover Perry's secret lair and are thrust into a spy mission of their own. Meanwhile, Candace travels on a tour bus...

Phineas and Ferb make the biggest ice cream maker for Isabella after her tonsils are taken out. Doofenshmirtz's daughter, Vanessa, spends the day at...

Based on the fact that a platypus doesn't do very much, Phineas and Ferb create a wooden toy version of Perry to sell to a toy company. Meanwhile,...

Candace and the boys visit their grandparents at a lake house and the boys try to scare her with a fake Bigfoot while Doofenshmirtz goes out on a...

Phineas and Ferb create a monster truck for Candace to practice driving while Dr. Doofenshmirtz tries to find investors for his line of monster...

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, unintentionally...

When the boys build a shrinking submarine to retrieve Isabella's sash from Pinky's stomach, they end up in the wrong place.

Phineas and Ferb find a time machine at a museum and travel back to the Jurassic Age. Meanwhile, Perry is sad when Doofenshmirtz replaces him with a...

The boys and Candace hatch a plot to reunite their mom and dad's favorite band for a wedding anniversary concert.

Phineas and Ferb build super tree houses for themselves and Candace, but things get a little out of hand when a treehouse fight instigates....

The boys set out on a high-seas adventure after learning about a mysterious pirate from their grandpa. Meanwhile, Candace spies Perry and Dr....

The boys stage a chariot race through the town's streets after learning about ancient Greece. Meanwhile, Dr. Doofenshmritz creates a giant robot...

Candace uses a reality show to secretly film her brothers designing a white-water rafting ride. Meanwhile, Perry must crush Doofenshmirtz' dream of...

Phineas and Ferb set up a roller derby rink for Grandma Betty Jo.

Phineas and Ferb decide to do absolutely nothing for the day. Candace questions her purpose in life after realizing that she can't bust her brothers...

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,...

When Buford's goldfish goes missing, the boys help him find it out at sea. Meanwhile, Dr. Doofenshmirtz tries to destroy a tape of him 'saving' a...

Phineas, Ferb, and Candace go to a Renaissance festival and Phineas and Ferb get Candace to go into a jousting tournament.

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...

Phineas and Ferb build the world's largest bowling ball and pins. Meanwhile, Doofenshmirtz wants to use his latest invention to freeze the Tri-State...

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,...

The boys build a telescope, while Doofenshmirtz tries to liquify steak. Meanwhile, Candace has another encounter with Jeremy's younger sister, Suzy.

Phineas and Ferb create the world's largest golf course, and since Candace is sick, she asks her best friend Stacey to bust the boys for her.

Phineas and Ferb create a teleporting machine, but it ends up switching Candace and Perry's brains.

The boys are helping Ferb's grandfather live his life long dream - to jump a gorge in his motorcycle, the Holy Mackerel. Meanwhile, Perry sets out to...

When Isabella falls prey to hiccups, Phineas and Ferb gather the kids together to help scare them out of her, using a remote controlled haunted...

The boys learn about one of Ferb's Victorian ancestors, who helped a scientist create a monster. Meanwhile, Doofenshmirtz recalls the story of his...

When Django feels down for not being able to draw art on the same scale as his father, Phineas and Ferb get some big ideas for his piece and the...

The boys create a cartoon and cast themselves as superheroes and Candace as the villain, while Perry attempts to defeat Doofenshmirtz, who has taken...

When Doofenshmirtz's brother Roger is elected mayor, he decides to build his own country, where he can rule over everything, but how will he stop him...

The boys build a rocket ship to get a good look at a star named for them, and Candace accidentally takes a ride with them just as she is trying to...

After taunting the boys for going to search for the "Lake Nose Monster", Candace begins freaking out on her lifeguard job, seeing the monster at...

Phineas and Ferb help Baljeet build a portal to Mars for a special Summer science fair. Candace competes against another girl for getting a job at...

When Candace believes that no one wants to be around her anymore, she quickly steps through Baljeet's portal to Mars, where she is quickly heralded...