He takes a log ride that leads to his lair where he sees singing animals called "Lair Entrance: The Ride".
He takes a secret tube to his headquarters. The entrance to the tube is not shown.
His entrance is off-screen, but he enters through the neighbors' koi pond
He enters his lair by an elevator, which appears to be the "Chimney Vator" from "I, Brobot". The floor of the lair is littered with newspapers, apparently due to the recent addition of several new agents who have not yet been housebroken.
He enters through a flower vase for one of Isabella's plants, but ends up in Pinky's Headquarters.
- Note: the flower vase sits on a low table with no visible tube underneath it.
At the beginning of the episode, he appears to be trying to enter his lair via one of the cupboards, but Candace catches him, forcing him to revert back to "pet mode" before she notices.
He goes down the Fletchers' grandfather clock to land in a lair beneath the Fletchers' house. It is furnished in a very traditional British style. He is soon joined by Agent Double 0-0.
A box comes out of the ground looking like a Casino entrance.
He enters off-screen and drops in through the tube in the ceiling.
Perry enters by pressing a button on a vacuum in the garage and a pneumatic tube came down and sucked up his hat, then his fur (leaving him in his underwear), and then the rest of him up.
When he reaches the office, he sees Monogram with a beard and hair made by marker who said that the entrace snatched all the hair off of Monogram.
Perry walks near the fence and gets caught by Meap. He turns domestic just as Meap turns towards him. They have a "conversation". Perry puts back on his fedora when Meap leaves the screen. His entrance is unknown.
He goes through the water hose and has little hard time getting inside.
Perry presses a flower in a flowerbed and flips over and flips again with his chair at his lair.
After repeatedly pressing a button on one remote, he realizes he has the wrong remote, grabs the right one, presses a button and the screen of a television swings open on hinges and Perry jumps through to be next seen jumping through a tunnel behind his lair's television.
He enters through the mole hill in backyard. He gets a 9.5 and 8.5 from Major Monogram and Carl respectively for his landing.
Through the stepping-stones at the back door. The access code is a short version of his theme song.
Perry did not enter his lair, due to Buford and Baljeet paying too much attention to where Perry is. Instead, Major Monogram sends Carl in an ice-cream truck equipped with the 'escape cone', where he briefs Perry through a cherry.
Not shown where he enters, but the lair is made to look similar to a theater.
Perry does not go to his lair. Instead, one of the dogs spits out a bone with a small screen on the side. Major Monogram then appears on the screen. Carl claims that the bone communicator is his idea.
Nothing is seen, however, Perry follows Dennis through a tunnel beneath the grass later on.
Opening a trash can in the kitchen, he jumps into it leading to his lair.
Perry enters the stage through a screen. Perry later bursts through a wall segment.
He uses an elevator in the side of the house and finds Agent Pinky. They nod to each other before Pinky exits first.
By jumping on the floorboards, the first time landing in his basement, goes back up and goes to the floorboard right next to the one that leads to the basement and jumps on the floorboard going into his lair.
By tapping his feet on a bathroom floor tile. The floor tiles get a disco theme and open.
He is seen in his lair, Monogram is playing a videogame
Walks through the automatic doors on one end of his lair and over to the communications center. Monogram likes the fact that Perry's entrance was 'simple and understated.'
Not shown, but Carl mentioned to Major Monogram that Perry came in early.
Perry jumps inside a guitar case.
Perry brings a snowman to life and it gets run over and his carrot nose rolls back into the yard. Perry enters his lair to find the Agency's Christmas party has already begun and Monogram eats the carrot.
Perry spits into a spittoon-style DNA scanner (which shows his DNA code as 74218390) and goes through a trapdoor.
He knocks on the house side of the wall and dives right in revealing a tube, which Lawrence Fletcher wonders what it is doing there. He approached too close and it sucked him into Perry's lair.
Perry lays on the grass and it flips for a second to a bunny in a patch of snow, then it flips again and Perry appears in his lair.
He just fell to his chair in his lair.
He was already in his lair while two French maids were cleaning it up.
Perry drives a racing video game into his lair.
Not shown, Major Monogram asks, "Where's Perry?" but he is already in front of him.
Perry simply arrives in his lair and answers the emergency transmission on the screen.
He was already in the Agency's Sauna with Major Monogram and Carl and Agent W
In Part I, Perry gets his briefing through a screen on a Tiki statue. In Part II, Perry contacts Monogram on his trademark submarine in his periscope.
He enters through the exhaust in the kitchen, and is covered in soot as he lands in his chair.
He stands at middle of the sofa as it flips over.
He uses a skateboard and goes through a pipeline, to which he lands upside down in his seat.
Perry presses a little flower with a rock that activates a trap door behind him and directly to his lair. Later in the episode, the molecular separator ray comes down Perry's entrance.
None shown, but Perry walks by Phineas and Ferb's room wearing a surgical mask.
Perry enters through a secret door on the side of the house. The same as Rollercoaster.
Perry uses a jack to go down to his lair.
Perry enters in the kitchen drawer then slides into a tube. Major Monogram warns Perry that the agency's tubes got mixed with the city's air ducts, so Perry's entrance reroutes directly to Doofenshmirtz Evil Inc.