פיניאס ופרב מנצלים יום קייצי כדי לבנות רכבת הרים מרהיבה בחצר האחורית שלהם.

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 all the garden lawn gnomes.

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 stop Doofinshmirtz's giant robot - disguised as a temp.

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. Doofenshmirtz from deflating every inflatable object in the tri-state area.

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 directors and changed the script to include a little more insanity. Meanwhile, Perry goes to Doofinshmirtz Evil Inc. to find out why Heinz has been so quiet lately.

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

ביום הולדתה של קנדיס המשפחה יוצאת לטיול בהר ראשמור, שם פיניאס ופרב מארגנים לקנדיס הפתעה מדהימה.

Phineas and Ferb clone themselves so they can complete more projects while Doofenschmirtz hovers over his girlfriend's house with a huge magnet to erase crazy messages on her answering machine, for the sake of recording new ones.

כשקנדיס מנסה להפוך לדוגמנית, הבנים מחליטים להשתלט על עולם האופנה.

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 life to herd the stampeding cattle back to the carnival, but with Agent P stuck in a room filling with lava, how will he survive?

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 dropped her for a Swedish exchange student), and Doofenshmirtz tries to melt chocolate with a machine made from laser pointers.

The boys create a circus for the neighborhood after their original circus plans are canceled, while Jeremy gives Candace wild parsnips which she is allergic to. Doofenshmirtz creates a device to make people's voices higher so his own voice will seem lower.

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 toilet paper, while Doofenshmirtz tries to raise the city's water level so his real estate will become beachfront property.

קנדיס וסטייסי זוכות להצטרף למסע הופעות של להקת הבנות האהובה עליהן.

איזבלה עוברת ניתוח להסרת שקדים. הבנים מכינים לה את הגלידה הגדולה בעולם.

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, the real Perry heads off to stop Doofenshmirtz from building the Great Wall of the Tri-State Area and starting up toll booths at the only exits.

קנדיס מפחדת ללמוד נהיגה, אז הבנים יוצרים את הרכב הכי בטוח וחסין-קנדיס.

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 topping everything. Meanwhile, Doofenshmirtz creates a shrinking machine that will make whatever he hates implode.

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

סוף סוף אמא חוזרת הביתה בזמן כדי לראות מה עוללו הבנים - חלומה של קנדיס מתגשם. הבנים נשלחים לפנימייה צבאית עד שקנדיס מבינה שהיא מתגעגעת אליהם, ושבעצם החלום שלה הוא רק חלום... או שלא..?

אבא מאבד תקליט של להקת הרוק האהובה עליו. פיניאס ופרב מחליטים לאסוף את חברי הלהקה ולהעמיד קונצרט אצטדיונים גדול רק כדי לגרום לאבא להרגיש כאילו חזר לילדות.

Phineas and Ferb build super tree houses for themselves and Candace, but things get a little out of hand when a treehouse fight instigates. Meanwhile, Dr. Doofenshmirtz plans to ruin a ceremony in his brother's honor.

סבא של הבנים מספר את אגדת הפיראט המסתורי והם מחליטים לצאת להרפתקה בלב הים.

בנים לומדים על יוון העתיקה במוזיאון ומחליטים לצאת ל-'הרפתקת פיניאס ופרב' אופיינית.

תכנית ריאליטי עוזרת לקנדיס לתפוס את שני אחיה על חם.

בזמן שהם מחליקים בזירת הגלגיליות, קנדיס והבנים מגלים שסבתם היתה בעבר חלק מקבוצת מחליקי גלגליות שזכתה באליפות.

בחוץ יום יפה והבנים מחליטים לא לעשות דבר. קנדיס לא מאמינה להם ובטוחה שהם זוממים משהו.

הבנים מחליטים לחפור חפירה ארכיאולוגית והם מגלים איש מערות.

בופורד לא מתנהג כמו הבריון שכולם כבר מכירים ואוהבים. דג הזהב שלו נעדר והוא מדוכא.

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

מכמונת מהירות מצלמת את אבא חולף במהירות מופרזת. קנדיס מבינה שעל המצלמה מוקלטות גם שעות של ראיות לשגעונות של הבנים.

הבנים מחליטים לבנות אצ מסלול הבאולינג הגדול בעולם.

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.

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

קנדיס חולה במיטה ומבקשת מסטייסי להחליף אותה בהשגחה על אחיה הקטנים.

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

לסבא פלטשר חלום ישן שמעולם לא הצליח להגשים - לדלג בעזרת האופנוע שלו "המקרל הקדוש".

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 house. Meanwhile, Doofenshmirtz sets out to destroy his mentor's hideout, so that no one could discover his secrets, but not if Perry has something to say about it!

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

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 famous "unpainted desert". Meanwhile, Perry faces off against Doofenshmirtz, as he does his best to impress his visiting evil professor.

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

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 when Perry is having trouble entering his hideout? Meanwhile, Phineas and Ferb, in an attempt to help Isabella see her "first" rainbow, create the Rainbow-enator, which harnesses the power of their breakfast cereal to make the light show. The strangest anomaly of the episode, however, is when Candace and Vanessa manage to get their clothes mixed up at the dry-cleaners, resulting in a backwards day for everyone.

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 find the courage to ask Jeremy to a dance, while Isabella tries her best to do the same with Phineas. Meanwhile, Perry must stop Dr. Doofenshmirtz, who, not only is conveniently in space too, but has created a massive spacestation in an attempt to get revenge on "Huge-Hands-Hans".

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 every turn. Meanwhile, Dr. Doofenshmirtz tries to remove all the zinc from the lake, though even he's not sure why.

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 Mr. Slushy Burger. Meanwhile, Doofenshmitz builds a bicarbonate volcano for the science fair, in yet another attempt to redeem himself from his embarrassing childhood, where we discover where the -inator suffix originated from.

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 among the martians. Meanwhile, Perry accompanies Dr. Doofenshmirtz to help build his evil contraption for him to stop faster, with slightly less than pleasing results.