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Dennis, the most wanted lagomorph, miraculously escaped from O.W.C.A.'s maximum security prison sometime this morning.

— Major Monogram

When Isabella and the Fireside Girls’ marionette show turns out less than spectacular, Phineas and Ferb offer their help. Meanwhile, Doofenshmirtz helps Perry’s nemesis Dennis the Rabbit break out of the O.W.C.A.’s high security prison.

Episode Summary

Dennis is in Jail.jpg

At O.W.C.A.-Traz, the Organization Without a Cool Acronym's high security prison, rogue agent Dennis the Rabbit is being kept captive. Suddenly, he is broken out of his cell thanks to Norm and Doofenshmirtz.

Meanwhile, Isabella shows her friends the marionette show the Fireside Girls are planning to do. Phineas believes that the marionette show could use a little sprucing up. Buford talks about his Uncle Oslo from Oslo, Norway, who used to make unfinished giant marionettes. Phineas asks Isabella if she's ready for the "next step" and Isabella assumes he's referring to her relationship with him, but he's actually talking about the puppet show. Isabella awkwardly changes the subject by saying "Where's Perry".

At his lair, Agent P is informed by Major Monogram that Dennis has escaped from prison and suspects that Doof is behind it.

Back in Isabella's backyard, a semi-trailer delivers 22.5 tons of reclaimed pine logs. Phineas asks the driver if he's a little young to be driving, since the driver's face looks like a baby. It turns out to be the work of Babyface Truckin', whose slogan is "Our drivers look like children, but they're not." The pine logs get dropped into the backyard, and the driver goes home to take a nap.

At Doofenshmirtz Evil Incorporated, Dennis emerges from the giant disco ball doing his cutesy-wutesy bunny routine, but, surprisingly, Doofenshmirtz isn't fooled by it since he knows about Dennis' reputation as a wanted mercenary and criminal. He offers a deal to Dennis: he will provide Dennis the technology to defeat Perry and in return, he will take over the Tri-State Area. Determined to get revenge on Perry, Dennis accepts the deal by giving a thumbs-up.

The Fireside Girls' puppet stage is now a control center used to robotic-ally manipulate the...rather creepy-looking giant Fireside Girl marionette. As soon as Ferb gives the thumbs up, Phineas, Isabella, Buford, Baljeet and the Fireside Girls get the Giant Puppet walking out of the Garcia-Shapiro backyard and roaming the streets of Danville. The citizens of Danville are mystified by this giant. They believe it is telling them to love one another.

Back at D.E.I., Doofenshmirtz shows Dennis his latest inator, a robotic backpack that can transform into anything. Dennis tries it out, and in the process, destroys parts of Doof's apartment. He turns the backpack into a rocket-powered super-suit and blows a hole through the roof. Perry goes on the lookout for the rogue rabbit and finds him. The fight commences. The platypus and the rabbit have at each other. They land in the Flynn-Fletcher backyard where Dennis' suit transforms again. They are about to fight once more when they hear Candace and Stacy approaching and go into their mindless pet modes. Candace instantly recognizes "Mr. Cutie Patootie", the rabbit she once adopted and talks in her cutesy voice (while Stacy does everything she can to prevent herself from throwing up at this).

Meanwhile, the gang decide to take a break from moving the puppet to get some Slushy Dawgs for lunch.

In the garage, Candace gets some food for her bunny but finds that he has disappeared. Stacy guesses he is "down at the docks" or maybe playing around.

Somewhere in downtown Danville, Dennis and Perry have resumed their fight. Perry then sees the giant marionette and walks into the control room to make the puppet fight the rabbit. However, Dennis destroys the control room, so Perry climbs on top of the beret and controls the puppet manually. Doof checks in on how Dennis is doing from the comfort of his living room and sees the rabbit robot fighting the giant marionette. He soon recognizes the wooden girl's fight style to be reminiscent of Perry and goes out to deal with him.

At Mr. Slushy Dawg, Phineas discusses the difference between marionettes and puppets, oblivious to the fight going on out the window behind him. Doofenshmirtz arrives to fight his nemesis on top of the giant marionette. Perry manipulates the marionette to punch Doofenshmirtz and ties him up on one of the strings. Perry makes the puppet dive into the ocean and the rabbit robot follows him. Underwater, Dennis's robot suit starts leaking, so Perry cuts through his dome with a laser and saves his life. Dennis swims up to the docks and Perry follows him. Candace and Stacy appear and Candace is reunited once again with "Mr. Cutie Patootie", as is Phineas with Perry. Suddenly, Major Monogram and Carl walk up to them in disguise. Monogram claims the rabbit is his pet rabbit, Mr. Bigelow. Candace gives him the rogue rabbit, where he plans to put him in his "special room". As soon as they leave, Candace begins to get suspicious about them. Phineas assures her that rabbit owners come in all shapes and sizes, however Candace, Stacy and Ferb point out their eccentricities, such as a flight helmet, cowboy boots and a fake mustache, plus they take off in a helicopter. Phineas says that none of those things disprove his previous statement.


Read the transcript of The Return of the Rogue Rabbit.


End Credits

First and second verses of "Giant Puppet Show" play. (standalone broadcasts only)


Click here to view more images from "The Return of the Rogue Rabbit".
View the image gallery for "The Return of the Rogue Rabbit".

Running Gags

I know what we're gonna do today


The "Too Young" Line

Phineas: Hey, aren't you a little young to be driving a semi-trailer with 22 and 1/2 tons of reclaimed pine logs?
Driver: No. No I'm not.

Ferb's Line

Candace: I don't know. There was something weird about those two.

Phineas: Whadaya mean, Candace? Rabbit owners come in all shapes and sizes.
Candace: A flight helmet and cowboy boots?
Stacy: I think the tall one was wearing a wig.
Ferb: And the other one had a false mustache.
(A helicopter is heard whirring.)
Candace: Plus, they're leaving by helicopter.
(The helicopter flies away.)
Phineas: You do realize that none of those observations disprove my statement, right?

Ferb, Candace and Stacy: Yeah.

What'cha doin'?


Hey, where's Perry?

Phineas: So whadaya say, Isabella? Are you ready to take the next step?

Isabella: Oh, Phineas, yes! I've been right here in front of you all along just waiting for you to... Oh, wait, you were talking about the puppet, weren't you?
Phineas: Well, yeah. What were you talkin' about?

Isabella: Nothing. I was just...uh...heh heh— Hey, where's Perry?

Oh, there you are, Perry!

Phineas: There you are, Perry!

Perry's entrance to his lair


Evil Jingle

Doofenshmirtz Evil Incorporated!

The Viking is right

Viking: I feel this puppet is telling us to look into our souls and find the power to embrace love for all humanity.
Man 2: Hey, everyone, the Viking is right!

Memorable Quotes

Buford: My uncle Oslo from Oslo used to make huge marionette puppets!

Buford: (voiceover) People would come from miles around to see 'em. Or at least they would have, if he ever finished one.
(End flashback.)
Phineas: Wait, Oslo's in Norway. I thought your family was Dutch.

Buford: Eh.
Major Monogram: Agent P, we have a situation. Dennis the Rogue Agent, formerly our most wanted rodent—

Carl: (offscreen) Lagomorph, sir.
Major Monogram: What's that, Carl?
Carl: (offscreen) Sir, they used to be considered rodents, but were reclassified in the early twentieth century.
Major Monogram: Oh, well, I'll have to fix that then. Carl, run out and buy me a new set of encyclopedias.

Carl: (offscreen) A set of what, sir?
Major Monogram: If this isn't the work of Doofenshmirtz, (Perry takes off) then Carl will eat my hat.
Carl: (offscreen) Hey!
Doofenshmirtz: You can come out now, Dennis the Rabbit! (The disco ball opens revealing Dennis in cutesy animal mode.) Aw, look how cute! He's cute! (to Norm) Isn't he cute, Norm?

Norm: He's adorable! And so soft...and warm...and squishy!

Doofenshmirtz: Okay, back off, Lennie, you're creepin' me out!
Doofenshmirtz: I always wanted a rodent for a partner.

Norm: (offscreen) Lagomorph, sir.

Doofenshmirtz: Gesundheit.
Doofenshmirtz: I like to call it my Transmogrification-Backpack-inator! (straps it on Dennis) It'll give you a robotic exoskeleton that can transform into almost anything. And it's perfect to wear undercover, so no one will ever suspect. Except, maybe, to say, "Hey, look, there's a rabbit wearing a backpack."
Candace: It's true. Ferb told me. It's called rennet, Stacy. They scrape it from the lining of a calf's stomach to make cheese.
Stacy: And yet, when I wanna talk about sushi, you say it's disgusting.
Stacy: (in reaction to Candace getting her rabbit back) Stay down, breakfast. Stay down.
Candace: Cutie Patootie, I got your chowsie-wowsie! (gasps) Oh! Stacy, he's gone! Where do you think he went?

Stacy: Maybe he's down at the docks.
Candace: Yeah, maybe he—"Down at the docks?"

Stacy: Or maybe he's just playing with his friends.
Doofenshmirtz: Time to see how my little friend is doing. (to the camera) You see, I installed a bunch of nanobot cameras on his backpack.

Norm: Who installed them?

Doofenshmirtz: It was my idea!
Phineas: The big difference is that the marionette has strings, while a puppet is hollow, so it can be manipulated from within. But that doesn't mean that a marionette can't be hollow or a puppet has strings. The thing to remember is that some people take the subject very seriously, even though, technically, there's no difference grammatically. I looked it up.
Doofenshmirtz: Curse you, Perry the—blub! (Coughs.) Platypus. I was trying to say, "Platypus."
Doofenshmirtz: (drifting away on the puppet) Okay, I guess I'll see you both later. Unless I miss my guess, I'm on my way to...Norway, so, uh, take it easy, Dennis the Rogue Rabbit and uh, curse you, Perry the Platypus!
Candace: (offscreen) Mr. Patootie! (cut to Candace and Stacy) Where are you?

Stacy: There he is!
Candace: (gasps) Mr. Patootie! (runs off)

Stacy: (to the camera) Whadaya know? He was down at the docks.
Major Monogram: (appearing in disguise with Carl, also in disguise) Oh, look! There he is! My pet bunny, Mr. Bigelow! I've been lookin' everywhere for you! Get over here, you naughty lagomorph!

Candace: But he's... (to Phineas) Do I have to?

Phineas: Well, he is a lagomorph.

Background Information

  • As Carl, and Norm, point out, rabbits were originally considered rodents, but now, they are classified under the order lagomorpha.
  • This is the final time Phineas says "Oh, there you are, Perry," not counting his 2nd Dimension counterpart.

Production Information

  • This episode was confirmed by Disney Channel Poland.
  • Before this episode aired, "Live and Let Drive" was paired with "No More Bunny Business" instead of this.
  • This episode and Live and Let Drive is the first episode that aired 2015 in Indonesia.

International Premieres

  • June 3, 2014 (PlusPlus, Ukraine)
  • July 8, 2014 (Disney XD Canada)
  • July 12, 2014 (Disney XD Poland)
  • July 30, 2014 (Disney XD Germany)
  • August 11, 2014 (Disney Channel Brazil & Latin America)
  • October 12, 2014 (Disney XD Spain)
  • October 24, 2014 (Disney Channel Asia)
  • November 8, 2014 (Disney Channel Portugal)
  • November 13, 2014 (Disney XD UK & Ireland)
  • November 22, 2014 (Disney Channel Spain)
  • January 11, 2015 (RCTI Indonesia)
  • July 22, 2015 (Australia)
  • April 27, 2016 (Disney Channel Poland)


  • Candace's name for Dennis in "No More Bunny Business" was "Mr. Cutie-Patootie," but in this episode, she calls him simply "Mr. Patootie."
  • Pinhead Pierre actress is seen in the foreground and background as the Giant Fireside Girl Puppet passes by.

    Looking over Pinhead Pierre actress's shoulder at Pinhead Pierre actress holding balloon.

  • While sitting at the Slushy Dawg counter, the countertop edge passes through Gretchen's fingers.



  • Alcatraz - The name of the prison - O.W.C.A.-Traz - is a spoof of the famous defunct prison in San Francisco Bay that is now part of the National Park Service.
  • The Godfather - The puppet show that the Fireside Girls present is called The Denmother, a parody of this 1972 film, often considered by many to be one of the greatest films ever made. Isabella's voice for the Denmother puppet is based on Marlon Brando's voice, and the logo for the show is based on that of the movie.
  • Of Mice and Men - After Norm says that Dennis is so soft and cuddly, Doof says, "Back off, Lennie, you're creeping me out" in reference to the character of Lennie Small from the John Steinbeck novel, who loved rabbits, among other cute animals.
  • Homestuck - The appearance of Dennis in the robot-suit looks very similar to the robot bunnies of this web-comic.



Main article: The Return of the Rogue Rabbit/Credits
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