At the annual science fiction/comic book convention, Phineas and Ferb are swept up into the duel between the fantasy fans and the sci-fi fans.
Phineas and Ferb plan to travel around the world in one day. Meanwhile, Candace wonders if she should go along with the boys to visit Jeremy in Paris.
Candace decides to take a vacation from busting, unaware that Phineas and Ferb are growing giant sea monkeys that they can romp and play with.
Candace becomes an honorary mayor and uses her powers to try to bust the boys. / Phineas and Ferb create a lemonade stand empire throughout Danville.
Isabella investigates to find the true identity of a metallic superhero that is rescuing people left and right.
Ferb befriends a chameleon that grows to gigantic proportions. / Candace tries to show how responsible she is while busting the boys' robotic rodeo.
Baljeet and Buford pose as Phineas and Ferb to impress Irving's older brother. / Candace puts together a team of busters to bust her brothers.
Candace believes Ferb has been abducted and replaced by an alien. / Phineas and Ferb soup up a kiddie ride outside the local Tri-State Mart.
Carl goes undercover to stop Phineas and Ferb's shenanigans. / Phineas and Ferb create the ultimate floats for the Tri-State Area Parade.
Candace enters a father-daughter race with a Lawrence robot. / Candace's mortal enemy, Little Suzy, helps her bust the boys.
The boys invent a device to let them pass through objects. / The boys' outrageous decorations threaten to ruin Candace's big day as a bridesmaid.
With Christmas just around the corner, Doofenshmirtz activates his "Naughty-inator," and all of Danville appears to have turned naughty.
Phineas and Ferb reverse engineer a mysterious invention to figure out what it does. / Phineas and Ferb set out to find the lost city of Atlantis.
Phineas and Ferb have fun with a teleportation device. / Phineas and Ferb help Jeremy become a great dancer for a TV dance show.
After Baljeet saves his life, Buford pledges to become Baljeet's servant. / Phineas and Ferb help Candace hunt down a lost doll.
Candace jumps to conclusions when Jeremy breaks a date with her. / Candace tries to become a Fireside Girl in order to get into a sold-out concert.