It's Your Call: Secret Agent Showdown is an interactive book with more than 10 posssible endings. Originally planned for release as a physical book on October 8, 2013; it was released as an eBook-only release on December 24, 2013.

Book Summary

The reader takes the role of a human O.W.C.A. agent in training as two separate plans unfold: Dr. Doofenshmirtz plans to unleash his Backwardinator as the agents of L.O.V.E.M.U.F.F.I.N. - Professor Poofenplotz, Aloyse von Roddenstein, and Dr. Diminutive - plan to sabotage Phineas and Ferb's Ultimate Animal Athletathon. Which plan will you foil? Will you team up with Agent P or go it alone? Will you save the day or just eat a pie?


Running Gags

The "Too Young" Line

Ferb's Lines

Whatcha doin'?

Perry's entrance to his lair

Memorable Quotes

Background Information

  • Author Carla Jablonski is the author of numerous gamebooks and served as an editor for Choose Your Own Adventure, the series that popularized the concept in the 1970s and 1980s.
  • Doc 83 describes Candace as "a blond teenage girl"; Candace has red hair.

Production Information

Title Description

Phineas and Ferb: It's Your Call: Secret Agent Showdown lets readers choose the action and outcome of the story! Agent P and his entire undercover team must go on a mission to defeat the evil Dr. Doofenshmirtz in this exciting eBook adventure. Featuring black-and-white art from the show and more than 10 possible endings, it's up to readers to decide how the story turns out!

Back Cover Summary



Hat Sale

External links

Not a Creature Was Stirring, Except for a Platypus
Phineas and Ferb Books Next:

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