Secret Swapper of Doom

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Secret Swapper of Doom
Premiere date: October 15, 2016
Run time: 11:16
Starring: Amanda Leighton
Kristen Li
Natalie Palamides
Tom Kane
Eric Bauza
Music composed by: Mike Reagan
Writers: Jake Goldman
Jay Hasrajani
Leticia Abreu Silva
Storyboard artists: Jay Hasrajani
Leticia Abreu Silva
Andy Cung (revisionist)
John West (revisionist)
Anna Lencioni (revisionist)
Directors: Nick Jennings
Bob Boyle
Julia "Fitzy" Fitzmaurice (supervising)
Abe Audish (supervising)
Jack Fletcher (voices)
Animation directors: Robert Alvarez
Richard Collado
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Title card
PPG 2016 131 title card.png

'"Secret Swapper of Doom" is the thirty-first episode of The Powerpuff Girls season one. It aired on October 15, 2016 on Cartoon Network. It was written by Jake Goldman, Jay Hasrajani, and Leticia Abreu Silva, produced by Pernelle Hayes, directed by series creators, Nick Jennings and Bob Boyle, and voice directed by Jack Fletcher.

Detailed summary

Memorable quotes


Character debut Speaking debut Ep. debut No lines Mentioned

In order of appearance:

Character Actor
Professor Utonium Tom Kane
Blossom Utonium Amanda Leighton
Buttercup Utonium Natalie Palamides
Bubbles Utonium Kristen Li
Swapper Eric Bauza
Jared Shapiro N/A
Commercial announcer (voice only) Eric Bauza
Space Towtruck N/A
Monster Tom Kane
C. Hobson
Swapper dinosaur Eric Bauza
Dr. Fluff-n-Stuff (photo) N/A
Coach Darby N/A
Him Tom Kane





  • Space Towtruck



Haley Mancini was credited for additional writing.


It was copyrighted in 2016.


The theme song and music were composed by Mike Reagan, with the former having been written by Reagan and Bob Boyle. The opening and ending songs were performed by Tacocat. The end credits song was written by Tristan Sedillo and Hannah Watanabe-Rocco.


Dates are in order of release:

  • United States: October 15, 2016 on Cartoon Network

Behind the scenes

  • The plot is fairly similar to "Halt and Catch Silico," which had lies spread about Blossom, as opposed to this episode which has Professor Utonium's secrets revealed.
  • New Kids on the Street are a parody of the early boy band New Kids on the Block which peaked in the early 90s. During the episode, Professor Utonium also does a 90s-style rap.
  • The Professor created Dr. Fluff-n-Stuff in "The Big Sleep."


  • Dr. Fluff-N-Stuff is not the correct name, as he was originally called Mr. Fluff-n-Stuff.

Critical reception

In other languages

Language Name Meaning

Home availability