Timeline

300 Million B.C.[]

Phineas, Ferb, and Candace arrive in prehistoric Danville. ("It's About Time!")
Isabella and the Fireside Girls arrive in prehistoric Danville and rescue Phineas, Ferb, and Candace. ("It's About Time!")

27,000 B.C[]

Prehistoric mammals arrive in prehistoric Danville.
Phinabunk and Gerb invent the wheel and the English language. ("Tri-Stone Area")
Can-tok invents fire. ("Tri-Stone Area")
Conk is cryogenically frozen in a block of ice in prehistoric Danville. ("Boyfriend From 27,000 B.C.", "Tri-Stone Area")

1524[]

Princess Isabella gets rescued by Phineas and Ferb. ("Doof Dynasty")

Victorian age[]

Jekyll Doofenshmirtz is born. ("The Monster of Phineas-n-Ferbenstein")
Jeremiah is born. ("The Monster of Phineas-n-Ferbenstein")
Constance is born. ("The Monster of Phineas-n-Ferbenstein")
Ferbgor is born. ("The Monster of Phineas-n-Ferbenstein")
Dr. Phineastein is born. ("The Monster of Phineas-n-Ferbenstein")
Isabella lookalike is born. ("The Monster of Phineas-n-Ferbenstein")
Dr. Phineastein and Ferbgor create a platypus monster, who slays Jekyll Doofenshmirtz. ("The Monster of Phineas-n-Ferbenstein")

1800s[]

Pizzazium Infinionite is discovered in 1894. ("Vanessassary Roughness")
Xavier Onassis builds a time machine. ("It's About Time!")

1900s[]

In 1903, Baljeet's great grandfather entered a bicycle race but fell into a tiger pit. ("Tour de Ferb")
In 1903, the Danville World's Fair is celebrated. ("Steampunx")

10s[]

In 1914, Ohio Flynn and Rhode Island Fletcher find the amulet of Juatchadoon ("Phineas and Ferb and the Temple of Juatchadoon")

20s[]

In 1924, Baljeet's grandfather entered a bicycle race and avoided the tiger pit but not the tiger. ("Tour de Ferb")
Mr. Slushy Dawg was founded in 1929. ("The Bully Code")

40s-50s[]

Reginald is born in England.
Winifred is born in England.
Clyde is born.
Betty Jo is born.
Lorraine is born. ("Get That Bigfoot Outa My Face!")
Danny's parents meet and fall in love through "boogie-woogie" music. ("Dude, We're Getting the Band Back Together")
Dr. Lloyd Wexler is born. ("A Hard Day's Knight")
Major Francis Monogram is born.
A short movie is made about Pizzazium Infinionite, to celebrate its 50th anniversary in 1944. ("Vanessassary Roughness")
A documentary is made about Gimmelshtump and Stumblegimp's civil war and the Humiliating Stumblegimp Dance of Contrition. ("One Good Turn")
In 1952, Professor Ross Eforp tried to create Football X-7, but failed. ("My Fair Goalie")
A UFO crash lands in Roswell, New Mexico. ("What Do It Do?")
In 1957, Baljeet's father entered a bicycle race with a cage around him to outsmart the tiger but he was wrong. ("Tour de Ferb")

60s-70s[]

Danny of Love Händel is born. ("Dude, We're Getting the Band Back Together")
Linda Flynn is born to Clyde Flynn and Betty Jo Flynn. ("Mom's Birthday")
Lawrence Fletcher is born to Reginald and Winifred Fletcher, in England.
Doctor Heinz Doofenshmirtz is born in Gimmelshtump, Drusselstein. ("Raging Bully")
All people of Gimmelshtump have to give their lawn gnomes away for money. ("Lawn Gnome Beach Party of Terror")
Roger Doofenshmirtz is born. ("Gaming the System")
Heinz Doofenshmirtz draws a face on a balloon and calls it Balloony. He loses it, and is not much later found by Mitch. ("The Chronicles of Meap")

80s[]

Love Händel is formed ("Delivery of Destiny")
The reverse engineering craze hits its zenith in 1982 with the band Zanzibar's hit song, "What Do It Do?"
Linda and Heinz go on a date. ("What Do It Do?")
Linda becomes the famous one-hit wonder, Lindana. She goes on "The Fun Tour" in 1985. ("Ladies and Gentlemen, Meet Max Modem!")

90s[]

Heinz Doofenshmirtz marries Charlene.
Minor Monty Monogram is born.
Carl Karl is born.
Vanessa Doofenshmirtz is born on June 15. ("Dude, We're Getting the Band Back Together")
Candace is born in Danville on July 11. ("Candace Loses Her Head")
Eliza is born in England.
Phineas is born in Danville.
Ferb is born in England on February 29.
Isabella is born.
Buford is born.
Baljeet and Mishti are born in India.
Linda and Lawrence fall in love at Love Händel's farewell concert. ("Dude, We're Getting the Band Back Together")
Love Händel breaks up. ("Dude, We're Getting the Band Back Together")
Flynn-Fletcher Antiques founded. ("Phineas and Ferb's Quantum Boogaloo")

2000s[]

Bucky dies and is replaced by Perry. ("It's About Time!")
Baljeet moves to America.
Carl begins working at O.W.C.A. for college credit. ("Swiss Family Phineas")
The summer vacation where the show's events take place begins. ("Rollercoaster"), ("Candace Loses Her Head"), ("The Best Lazy Day Ever").
Isabella grows a crush on Phineas, Candace with Jeremy, and Ferb with Vanessa.
Phineas and Ferb construct the Coolest Coaster Ever ("Rollercoaster").
The Swamp Oil 500 race goes on ("The Fast and the Phineas").
Phineas and Ferb make a backyard beach ("Lawn Gnome Beach Party of Terror").
Phineas and Ferb create S'Winter, and Candace interacts with Vanessa for the first time. ("S'Winter")
Phineas and the Ferb-Tones is formed. ("Flop Starz")
Phineas and the Ferb-Tones performs for the last time ("Flop Starz")
Candace briefly sees Perry as a secret agent fighting Doofenshmirtz. ("The Ballad of Badbeard"), ("Leave the Busting to Us!"), ("Bowl-R-Ama Drama")
Love Händel reforms. ("Dude, We're Getting the Band Back Together")
Professor Destructicon captured and arrested. ("One Good Scare Ought to Do It!")
Phineas and Ferb decide to do nothing for a day. ("The Best Lazy Day Ever")
Phineas and Ferb get Goldie and make a backyard underwater animal show. ("Backyard Aquarium")
Phineas and Ferb spread public awareness for the aglet. Meanwhile, Doofenshmirtz's high school recording goes viral. ("Tip of the Day")
Phineas and Ferb meet Thaddeus and Thor ("Thaddeus and Thor")
The Paper Pelican flies in the sky and break Howard Hughes and the Spruce Goose's record. ("De Plane! De Plane!")
Perry is assigned to a new villain and family, making Phineas and Ferb think Perry is lost. ("Oh, There You Are, Perry")
Perry gets reassigned back to Doofenshmirtz and the Flynn-Fletcher family. ("Oh, There You Are, Perry")
Phineas, Ferb, Isabella, Candace, Linda and Lawrence get shipwrecked. ("Swiss Family Phineas")
Phineas and Ferb meet their new extreme fan, Irving. ("Hide and Seek")
Phineas and Ferb and their friends shrink down. ("Hide and Seek")
Baljeet tries to impress an old friend from India, Mishti Patel. ("That Sinking Feeling")
The Baljeatles is formed. ("The Baljeatles")
Phineas and Ferb get X-Ray glasses that are a total bust, prompting them to make their own X-ray Glasses. ("No More Bunny Business")
Phineas and Ferb leave current Danville to go back in time. (see the prehistoric section of this timeline for "It's About Time!")
The Earth and the rest of the universe grow to a massive size, though no one notices. ("Attack of the 50 Foot Sister")
Phineas and Ferb directed the Summer version of the music video "It's On" from "Camp Rock 2: The Final Jam" kicking off Disney Channel's Summer Vacation.
Candace becomes the first Fireside Girl to earn 50 patches in one day. ("Fireside Girl Jamboree")
Phineas and Ferb deliver presents to Danville in Santa's place. ("Phineas and Ferb Christmas Vacation!")
Candace has a dream about going to Bustopolis with Agent P and escaping Doofenwarlock. ("Wizard of Odd")
Phineas and Ferb attend Clive Addison's special effects convention. ("Nerds of a Feather")
Candace finds out Linda is Lindana. ("Ladies and Gentlemen, Meet Max Modem!")
Phineas, Ferb, and their friends travel around the world. ("Phineas and Ferb: Summer Belongs to You!")
Jeremy and Candace become boyfriend and girlfriend. ("Phineas and Ferb: Summer Belongs to You!")
Candace and Stacy are chosen to dance and sing onstage with Tiny Cowboy. ("Meatloaf Surprise")
Phineas and Ferb discover Perry's double life and they go on an adventure to a parallel universe to thwart a more evil Dr. Doofenshmirtz. (Phineas and Ferb the Movie: Across the 2nd Dimension)
Candace plays life-sized Skiddley Whiffers with Phineas and Ferb and crushes Dr. Doofenshmirtz's camping bus along the way. ("Skiddley Whiffers")
Phineas and Ferb create Football X-7, Hockey Z-9 and Croquet Y-8. ("My Fair Goalie", "For Your Ice Only")
Phineas and Ferb create various television shows starring Baljeet as a doctor & ninja, Buford as an angry restaurant food critic, and Suzy and Norm becoming unusual friends. ("Ferb TV")
Phineas and Ferb create fall in summer, and Vanessa breaks up with Johnny and starts dating Monty Monogram. ("Minor Monogram")
Doofenshmirtz turns Carl evil and Perry has a spy mission go terribly wrong, causing him to disappear. ("Where's Perry?")
Carl catches Monty dating Vanessa at the Doo Wop Hop, and asks Monty to get his dad to thank Carl for something in exchange for secrecy. ("My Sweet Ride", "Thanks But No Thanks")
Phineas and Ferb build their own New Year's ball and drop it from outer space. ("Happy New Year!")
Phineas and Ferb leave, and later return, from the future Danville. ("Phineas and Ferb's Quantum Boogaloo")
Perry goes on a joint mission in Canada with Lyla Lolliberry. ("Sidetracked")
Stacy discovers that Perry is a secret agent. ("Happy Birthday, Isabella")
Doofenshmirtz's new inator drains the power from the Marvel superheroes and Phineas and Ferb try to figure out what happened. ("Phineas and Ferb: Mission Marvel")
Doofenshmirtz moves the earth away from the sun, and Phineas and Ferb need to get it back to its original position. ("Phineas and Ferb Save Summer")
Major Monogram gets fired from O.W.C.A. and Carl, Monty and Perry need to rescue O.W.C.A.'s agents from L.O.V.E.M.U.F.F.I.N.'s capture. ("Phineas and Ferb Save Summer")
Phineas, Ferb and Isabella need to help Candace, Vanessa and Dr. Doofenshmirtz stop a contagion of Doof-zombies. ("Night of the Living Pharmacists")
Phineas and Ferb are thrust into a global rebellion when the plans for blowing up the Death Star accidentally fall into their hands. ("Phineas and Ferb: Star Wars") (Parallel Universe)
Phineas and Ferb along with the gang go rescue Candace from the planet Feebla-Oot after she accidentally sends herself and Vanessa to space. However, Candace becomes tempted to stay on the planet when she becomes respected by its people without knowing that they harbor a dark secret which involves her presence and have to stop them upon realizing their Earth invasion plan. (Phineas and Ferb the Movie: Candace Against the Universe)
Dr. Doofenshmirtz gives up evil to become Vanessa's science teacher and becomes an O.W.C.A. member. ("Doof 101", "Last Day of Summer", "O.W.C.A. Files")
Dr. Doofenshmirtz returns to evil after spending last year trying to be good and tries to renew his evil business license. ("Summer Block Buster", "Cloudy With a Chance of Mom", "Submarine Sandwich Submarine", "Lord of the Firesides")
Candace passes her driver's test while following the boys and Isabella on their springy gecko shoes. ("License to Bust")
Vanessa breaks up with Monty, but Dr. Doofenshmirtz overhears their conversation about their secret relationship while shrunken. ("The Aurora Perry-Alis")
Stacy rescues Perry from a precarious situation and becomes an honorary O.W.C.A. member as her reward from him. ("Agent T (for Teen)")
Candace and Stacy are haunted by Buford's rubber Candace suits. ("The Candace Suit", "Attack of the Candace Suit")

2010s[]

"Act Your Age":

Candace Flynn becomes a lawyer who gives a lecture on how to prove guilt with no evidence.
Carl becomes the new boss of O.W.C.A. after Major Monogram retires, and hires Irving as his intern.
Phineas realizes Isabella has been crushing on him and tries to tell her before she leaves for college.
Dr. Doofenshmirtz invents the Midlife Crisis-inator, his first inator in nine years after giving up evil to be a high school science teacher.

2020s[]

"Phineas and Ferb's Quantum Boogaloo":

Candace marries and has 3 kids, Xavier, Fred and Amanda.
Phineas and Ferb arrive from the past, so Candace tries to bust them again.
Candace goes back in time to bust them, but ends up allowing Doofenshmirtz to take over the Tri-State Area.
Candace goes back in time again to stop herself from busting the boys, reversing the bad future.

Unknown[]

The Fireside Girls are founded by Eliza M. Feyersied ("Fireside Girl Jamboree").

2nd Dimension[]

1960s[]

Heinz Doofenshmirtz is born in Gimmelshtump.
Heinz Doofenshmirtz loses Choo-Choo, turning him evil.

1990s[]

Candace Flynn is born in Danville.
Phineas Flynn is born in Danville.
Ferb Fletcher is born in England.
Lawrence Fletcher marries Linda Flynn.

2000s[]

Phineas and Ferb get Perry from the adoption center.
Perry goes to fight Doofenshmirtz and is turned into Platyborg.
Doofenshmirtz takes over the Tri-State Area.
Candace forms the Resistance to fight Doofenshmirtz.
Phineas-1, Ferb-1, Perry-1, Candace-1 and Doofenshmirtz-1 arrive from the 1st Dimension.
Doofenshmirtz tries to take over the 1st Dimension.
Platyborg's programming is reversed, so he is no longer evil.
Doofenshmirtz is defeated and the Tri-State Area is returned to normal.