This is list of Doofenshmirtz's schemes and inventions in Season 1.

Episode Invention(s) Scheme Failure/Destruction
"Rollercoaster" Magnetism MagnifierRollercoaster135.jpg He plans to reverse the rotation of the Earth by covering the eastern seaboard in tin foil and using a giant magnet (and his Magnetism Magnifier) to pull it west. When Dr. Doofenshmirtz uses his Magnetism Magnifier, his plan succeeds. He and Perry work together when the tin foil is blown towards them. Perry uses a nearby helicopter to dodge the ball at the last second, failing to save Doof from getting crushed.
"Lawn Gnome Beach Party of Terror" Destruct-inator
The Destruct-inator
Because of humiliation back in his childhood years, Dr. Doofenshmirtz gathers all the lawn gnomes in the Tri-State Area and plans to destroy them. Perry kicks Doof into the lever, shooting all gnomes onto Phineas and Ferb's beach.
"Flop Starz" Giant Robot
Building robot
He builds a giant robot in an attempt to take over the Tri-State Area.

After escaping robotic arms by blowing pepper, Perry causes the robot to sneeze them out. Soon, the robot accidentally steps on Doof.

"The Fast and the Phineas" Deflate-inator/Deflate-inator RayHeinz presents his Deflate-inator.jpg He creates a ray to deflate every inflatable in the Tri-State Area, but has the poor foresight to purchase a blimp to mount the machine in. After using it on a mirror, Doofenshmirtz hits his own blimp.
"Lights, Candace, Action!" Age Accelerator-inator
Age Accelerator-inator
He speeds up the aging of his family's special cheese. Perry angers Doofenshmirtz, tricking him into turning the invention to the highest level. The invention blows up after Perry protects himself.
"Raging Bully" Slave-inator
The Slave-inator
He hypnotizes everyone into doing whatever he tells them to do, especially help him celebrate his birthday. There is also a "Clean Up Party Mess" button. Perry is cornered when Doof is about to spill ice cream on him. It hits Phineas during a thumb war with Buford. However, it was caused when Perry calls a whale who takes away the ice cream.
"Candace Loses Her Head" Drill-inator
The Drillinator
He plans to dig to China and build a toll road to be rich. After Perry drills under the glass wall into the Drill-Inator, they are chased by lava from the center of the earth. Perry escapes. Doof does, too, but he lands on a geyser. The geyser sends him flying.
"I, Brobot" Giant Magnet
Plans for magnet
He tries to erase all of the embarrassing messages he left on his girlfriend's answering machine. Perry stops Doofenshmirtz's crane, who nearly crushes Perry until Santa picks up the magnet. (Someone's getting on the naughty list).
"Run Away Runway" Copy and Paste-Inator
Copy and Paste-inator
He creates copies of himself to do all of his waiting in lines for him. An ugly copy escapes the garbage can, causing Doofenshmirtz to delete him. He presses the wrong button. The ugly duplicate disappears, along with the others.
"The Magnificent Few" Termite Controlling Helmet
Termite Controlling Helmet
He plans to use brain-controlled termites to destroy all the wood in the Tri-State Area so he can sell aluminum siding. After they escape the self-destructed lair, Perry reverses the helmet. The termites control themselves, and they start to devour Doof and a rollercoaster.
"S'Winter" Melt-inator 6-5000
Meltinator 6-5000
He plans to increase his popularity by melting all the chocolate in the Tri-State Area and re-shaping it in his own image...albeit with a less-pointy nose. When plugging it in, he erases all power in Danville.
"Are You My Mummy?" Wood-inator/Woodenator
Bubble ray gun.
He takes the wood away from a beaver dam to raise the sea level, so he can have beach-front property. He also creates a gun that fires bubbles of "pure evil." The rivals fight over the Coition-Inator, accidentally using the Woodenator to destroy the dam. The rivals get trapped in the same bubble. After using Doof's nose to pop the bubble, Perry escapes and water wipes Doofenshmirtz into a sewage pipe leading to the ocean.
"I Scream, You Scream" Space Laser-inator
Space Laser-inator, built by Phineas and Ferb
Ice Cream Sundae Maker
Ice Cream Sundae Maker, built by Dr. Doofenshmirtz
He tries to create a space-laser-inator but ends up making a sundae machine instead. Vanessa and Ferb accidentally switch blueprints.
"Jerk De Soleil" Voice-Inator
He creates a device that makes everybody's voice higher, making his seem lower by comparison. After stealing the boys' tent, the Voice-Inator blows Doofenshmirtz away and makes his voice higher than it was when he was a kid.
"Toy to the World" Brick Wall Around the Tri-State Area
Brick wall surrounding the Tri-State Area
He tries to build a Great Wall around the Tri-State Area and make people pay to get in or out. Perry chases Doof into a trapdoor, and he gets locked in a crate of Perry Inaction Figures. He is sent on a cruise boat and gets seasick.
"Get That Bigfoot Outa My Face!" Date
Doofenshmirtz's date cuddles Perry
It's his week off, so he arranges a date with a girl he met online. Perry is asked to pose as a mindless pet so the date doesn't find out he has a nemesis. His date mistakes him for Bigfoot and knocks him off the ledge with her purse.
"It's a Mud, Mud, Mud, Mud World" Monster Truck Away-inator
Monster Truck Away-inator
Chinese Platypus Trap Disguised as a Monster Truck Locate-inator
Fake Monster Truck Locate-i-nator
Real Monster Truck Locate-inator
Real Monster Truck Locate-inator
Line of Monster Trucks
Doofenshmirtz's line of monster trucks
He plans to destroy all the monster trucks in the Tri-State Area so he can replace them with his own line of monster trucks. He also creates a machine to locate monster trucks. Perry sneaks into the truck. He switches the dial so Doofenshmirtz, the evil investors, and the Doof monster truck disappear into another dimension where an alien eats them.
"Mom's Birthday" Shrinkspheria
He creates a machine that will make everything he hates shrink until it can't be seen. Also, he buys wax robots of former Presidents Washington and Lincoln and reprograms them as security guards. The melted robots step on the Shrinkspheria, falling into it as it explodes.
"Journey to the Center of Candace" Make-Up-Your-Mind-inator
Make Up Your Mind-inator
Any Flat Surface Magnet Belt
The Any Flat Surface Magnet belt
He wants to destroy anybody that can't make up their mind. He also tries to mix up the routine a little, by telling Perry the Platypus his plan before capturing him. They mix things up a bit. Doofenshmirtz gets trapped and gets shrunken into a sandwich. Candace is about to eat him, but Pinky beats her to it.
"It's About Time!" Freez-inator
The Dr. Feelbetter Show
The Dr. Feelbetter show
He makes Perry the Platypus jealous by replacing him with Peter the Panda. Later they end up on "Dr. Feelbetter" and he reveals that it was a plan to get all the super-secret agents together and freeze them for a giant chessboard. The agents are freed, and they defeat all evil scientists.
"Dude, We're Getting the Band Back Together" World's Largest FirecrackerGiant firecracker perry.jpg He plans a Sweet 16 party for his daughter, Vanessa, and ties Perry the Platypus to a giant firecracker for the finale. Also, he tries to hit Perry the Platypus with his ray gun, but destroys the party in the process. Perry ties Doofenshmirtz's hand to the bow. When it shoots off, Doofenshmirtz flies away.
"Tree to Get Ready" Poop-inator
The Poop-inator
He plans to ruin his brother's key-to-the-city ceremony by hypnotizing pigeons to defecate on him. Perry turns the pigeons against Doof, causing them to go to the bathroom on him in the elevator. He turns gooey during the end credits while at the same time exiting the elevator.
"The Ballad of Badbeard" The Crocodiles, Susan and Susan
Susan and Susan
He is moving into his new lair. However, he has two crocodiles and a trap ready for Perry the Platypus. Candace accidentally self-destructs the lair. While the crocodiles try to eat Doofenshmirtz, they blow up.
"Greece Lightning" Norm the Giant Killer Robot Man
Norm the robot
He creates a giant robot man, due to the fact that the platypus population is dropping because of humans. Doofenshmirtz switches Norm on. Afterwards, Norm mistakes Doof for a platypus and chases him.
"Leave the Busting to Us!" Gloom-inator 3000-inator
The Gloom-inator 3000-inator
Magic Career (flashback)
Heinz the magician
He tries to create a new Ice Age with weather pellets and a launching machine, but ends up creating a tornado that destroys his lair and much of the Tri-State Area. It is also revealed that Doofenshmirtz was interested in magic during his youth. Perry stops, and Doof gets away but is soon sucked into a tornado.
"Crack That Whip" Bread-inator
The Bread-inator
He plans to destroy the statue of Rutherford B. Hayes, the President with the best beard of them all. The plan arose because Doofenshmirtz was jealous of people who could grow facial hair and he couldn't. A mirror messes it up. At that time Doofenshmirtz also had a headache so he just turned it on and let Perry turn it off to save time so he could take a nap.
"The Best Lazy Day Ever" Ugly-inator
The Ugly-inator.
Slow Motion-inator
The Slow-motion-inator
He plans to make everyone else ugly, due to his self-image problems. He also creates the Slow-Motion-inator to slow down Perry the Platypus, so Perry can't stop him. Perry switches the frog with an autograph picture of Vance Ward. Perry switches everything blasted by the Ugly-Inator, except for Doof (who was offended by the machine and called ugly), his chair, and his television.
"Boyfriend From 27,000 B.C." Sandwich-Suit-Remove-inator
Sandwich Suit Remove-inator
He plans to destroy all sandwich suits in the Tri-State Area with his Sandwich Suit Remove-inator. The Sandwich-Suit-Remove-Inator, crashes causing Doofenshmirtz to fall with a sandwich suit on. He lands near a caveman, who chases Doof down.
"Voyage to the Bottom of Buford" Media-Erase-inator
Media Erase-inator
After accidentally catching a falling kitten, people think he's turned to the good side, so he tries to use his Media Erase-inator to erase the image of his unintentional rescue. It explodes.
"A Hard Day's Knight" The Evil Weapons Expo
No inventions of his own, but he and Perry do battle in these two robots
He goes to Evil-Con in London, where Perry the Platypus is in disguise as Dr. Lloyd Wexler. He pilots a giant Queen Elizabeth I robot but it was not created by him. Doofenshmirtz presses the self-destruct button and the eject button.
"Traffic Cam Caper" Norm the Robot
Norm again
He doesn't really have one, since this episode takes place during the middle of the night, but he lets Perry the Platypus borrow his old robot, Norm. Norm becomes good, but is fired.
"Bowl-R-Ama Drama" Giant Robotic Penguin Icy Freeze Your Socks Off Breath-inator
Giant Robotic Penguin Icy Freeze Your Socks Off Breath-inator thingy
He plans to freeze the Tri-State Area with his giant robotic penguins, after which he will sell organic, yet highly-addictive Doof Brand hot chocolate for a million dollars. Phineas and Ferb's bowling ball crushes the penguins.
"Ready for the Bettys" Destructo-Inator/Destructo-ray/2nd Destruct Inator
Destruct-inator #2
He builds a destructo-ray, but doesn't end up doing much with it, as Perry the Platypus locks him in the mop closet to keep Phineas and Ferb safe. (See this page for more info) Perry easily locks Doofenshmirtz in the mop closet to save Phineas and Ferb. He also pushes the Destruct-Inator off a cliff.
"The Flying Fishmonger" Now Who's Blinded by Sand-inator or Who's Crying Now-inator
Sand-kicking machine, called "Who's Blinded by Sandinator" or "Who's Crying Nowinator" (title as yet undecided by Dr. Doofenshmirtz)
He plans to kick sand all over the house of his old bully. The wind blows the sand on Doofenshmirtz.
"Put That Putter Away" Leaf Blower-inator
Leaf Blower-inator
He uses a giant leaf blower to blow leaves on his neighbor's yard. The blower blows Doofenshmirtz away, due to the invention itself being uncontrollable.
"Does This Duckbill Make Me Look Fat?" Stealing Slushy the Clown Statues
Slushy the Clown
He steals all the Tri-State Area's Mr. Slushy Burger statues and tries to write a new jingle for the franchise. Perry returns the statues.
"Got Game?" Misbehave-inator
The Misbehave-inator
He ruins the Danville Dog Show. Perry steals the Misbehave-Inator.
"Comet Kermillian" Steak Specs
Steak Specs
Steak Containment Unit (S.C.U.)
Steak Containment Unit
Giant Heat Ray
Giant Heat Ray
He steals all the steaks in the Tri-State Area and plans to turn them into eyeglasses for use on black eyes. He also builds a computer-controlled heat ray. Perry hacks into the heat ray. The heat ray fires at the S.C.U. causing it to explode and scatter all the steaks.
"The Monster of Phineas-n-Ferbenstein" Concoction Brewinator
Concoction Brewinator
None, but he tells Perry the Platypus about his great grandfather, Dr. Jekyll Doofenshmirtz, and his efforts to be a certified mad scientist. The platypus monster eats Dr. Jekyll when he becomes a fairy princess.
"Oil on Candace" Impressing Dr. Gevaarlijk
Dr. Gevaarlijk
He tries to impress his evil science professor with some of his inventions. When all of his inventions fail, he resorts to making up inventions such as the "Blender-inator" he made out of his blender. He then tries to blow up the moon and rid the world of songs about moons, which Dr. Gevaarlijk always hated. However, he accidentally hits a dam instead. She claims she likes "a good toe-tapping dam song". All his inventions failed him.
"One Good Scare Ought to Do It!" Disintevaporater
The Disintivaporator
He tries to destroy the lair of his old Evil Science mentor, Professor Destructicon, as was requested of him. Perry sneaks it into Doof's blimp, but is ends up disinevaporating the boys' haunted house.
"Out of Toon" Dance-inator
The Dance-inator
He inadvertently creates a ray that harnesses the power of dance. He was actually trying to make an instant clothes-dryer. The Dance-Inator is danced off a cliff, so Perry becomes the first one to stop evil while dancing.
"Hail Doofania!" Doofania
He creates his own floating evil empire, Doofania. The innertube below Doofania pops, sinking Doofania.
"Out to Launch" Space Station
Doofenshmirtz's space station.
He seeks revenge on his childhood rival, Huge Hands Hans, by using a giant space-bound robot to make shadow puppets on the moon. A meteor shower crushes the station.
"Phineas and Ferb Get Busted!" Giant Robot Spider-inator
Doofenshmirtz's Spider
He appears fighting Perry atop a giant robotic spider. Why or how he built it is unknown. Since this was Perry's dream, it is unknown whether he actually built it or not. Perry's cover is blown. Doof is easily defeated.
"Unfair Science Fair" Giant Baking Soda Volcano
Doofenshmirtz's Volcano
He builds a giant baking soda volcano to enter in the science fair because he always lost the science fair to one in his childhood and through teen years. Called World's Largest Baking-Soda Volcano-inator in DVD extras. The portal to Mars sucks him onto Mars.
"Unfair Science Fair Redux (Another Story)" 1st Inator
The Inator
He hasn't finished his baking soda volcano yet, but does fire his very first "inator" that he entered in his first science fair, which just shoots a laser beam into outer space. Due to Doof never planning to use it, Perry doesn't destroy it.

See also

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