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The Monster of Phineas-n-Ferbenstein facts for kids

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"The Monster of Phineas-n-Ferbenstein"
Phineas and Ferb episode
Phineas-n-Ferbenstein.jpg
Phineas and Ferb in the episode's cold opening.
Episode no. Season 1
Episode 40
Directed by Zac Moncrief
Written by Jon Colton Barry (story, storyboards)
Martin Olson (story)
Mike Diederich (storyboards)
Featured music "He's Eviler"
Production code 122a
Original air date October 17, 2008 (2008-10-17)
Running time 10:32
Guest appearance(s)

Malcolm McDowell as Grandpa Reg
Jane Carr as Grandma Fletcher

Episode chronology
← Previous
"One Good Scare Ought To Do It!"
"Bowl-R-Ama Drama"
Next →
"Oil on Candace"
Phineas and Ferb (season 1)
List of Phineas and Ferb episodes

"The Monster of Phineas-n-Ferbenstein" is the 40th episode of the fun animated TV show Phineas and Ferb. In this episode, Phineas and Ferb hear a spooky story. Their grandpa tells them about their ancestor from the Victorian era, who helped a scientist make a monster.

At the same time, Perry the Platypus hears a similar story. Dr. Heinz Doofenshmirtz tells Perry about his own Victorian ancestor. This ancestor tried to turn himself into a monster too! The episode first aired on Disney Channel on October 17, 2008.

What Happens in the Episode?

The episode starts with a special scary message. Phineas and Ferb warn everyone that the show will be super frightening! Then, the real story begins. It's raining hard, and the power is out. Phineas is sad because his outdoor plans are ruined.

But then, his grandpa (Malcolm McDowell) starts telling a cool story. It's about their ancestor, Ferbgor. He was a hunchback helper in the Victorian times. Ferbgor worked with Dr. Phineastein. They were trying to gather platypus body parts to create a monster. Their goal was to enter the monster in a "monster ball."

Perry and Doofenshmirtz's Story

Meanwhile, Perry the Platypus goes to Doofenshmirtz Evil Inc. He wants to stop Doofenshmirtz's latest plan. But because of the storm, Doofenshmirtz's security system goes crazy. Perry and Doofenshmirtz get locked inside the apartment!

Perry has to wait until the power comes back on. So, they both sit down and drink hot cocoa. Doofenshmirtz tells Perry a story about his Victorian ancestor, Dr. Jekyll Doofenshmirtz. This ancestor tried to impress a crowd by turning into a beast. But his plan went wrong, and he became a fairy princess instead!

The Monsters Come to Life

In Grandpa's story, Phineastein and Ferbgor finish their monster. They bring it to life! This scares their castle governess, Constance. She gets angry and tries to get a mob to stop them. This is just like Candace trying to "bust" her brothers!

Phineastein and Ferbgor don't care about Constance. They try to train their new monster. They want it to be ready for the monster ball.

At the same time, Dr. Jekyll Doofenshmirtz fixes his formula machine. He finally turns into a huge monster! He goes to the village to cause some trouble. He mostly plays childish pranks. During his rampage, he upsets the platypus monster. The platypus monster then chases him all over the village!

Phineastein and Ferbgor go looking for their monster. They find him at the monster ball. Before they can enter, their monster beats up Jekyll and eats him!

The End of the Stories

Back in the present, the power comes back on. Doofenshmirtz quickly sends Perry away. He tells Perry to come back tomorrow for his next evil plan. Doofenshmirtz then wonders how his ancestor's story ended.

In Grandpa's story, Phineastein and Ferbgor find their monster. The winner of the monster ball is announced. It's Constance! She accidentally drank Jekyll's formula and turned into a beast herself. The mob chases her away.

After the story, Grandpa says he has forgotten everything he just told them. Ferb then ends the episode by saying that "platypus monsters are the only monsters to lay eggs."

How the Episode Was Made

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Malcolm McDowell played Grandpa Reginald in this episode and others.

The idea for "The Monster of Phineas-n-Ferbenstein" came from Jon Colton Barry and Martin Olson. Jon Colton Barry also helped draw the storyboards with Mike Diederleh. Zac Moncrief directed the episode. He directs many episodes of the show, along with the show's co-creator, Dan Povenmire.

The episode was paired with another story called "Oil on Candace." In that episode, Phineas and Ferb help their friend Django.

Malcolm McDowell and Jane Carr were special guest stars in this episode. They played Grandpa and Grandma Fletcher. They had played these characters before in other episodes like "A Hard Days Knight" and "The Flying Fishmonger." They also voiced them later in "Elementary, My Dear Stacy."

"The Monster of Phineas-n-Ferbenstein" first aired on Disney Channel on October 17, 2008. It had a TV-G rating, which means it was suitable for all ages. This episode was part of a Halloween theme that started with another episode called "One Good Scare Ought to Do It."

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