The Powerpuff Girls
Knock It Off
TV Flash files “Knock It Off” as hour 47 of 78 in the TV Flash guide — The Powerpuff Girls (1998–2005) on Cartoon Network, season 4, episode 9, aired 2001-07-13, 30 min.
From the desk
How this hour is filed
This leaf is S04E09: listed hour 47 of 78 in the The Powerpuff Girls guide, hour 9 of 11 in season 4. It aired 2001-07-13 (30 min). The listed hour before it is “Forced Kin” (S04E08). Next is “Helter Shelter / Power Lunch” (S04E10).

Catalog log
Broadcast listing — not a TV Flash recap.
"Knock it Off" When the Professor's college roommate sees his brilliant creations, he decides to cash in on the popularity of the Powerpuffs.
Viewer FAQ
Where does Knock It Off sit in the The Powerpuff Girls guide?
S04E09 is listed hour 47 of 78 — hour 9 of 11 in season 4, season 4 episode 9.
When did The Powerpuff Girls S04E09 air?
Knock It Off aired 2001-07-13 and is listed at 30 minutes.
Kids' cartoon or style exercise?
Both: kindergarten heroes, minimalist pop-art action, and a design language that defined late-1990s Cartoon Network.
In the series
Why this series still plays
Sugar, spice, Chemical X, and a city that never stays saved. Craig McCracken’s candy-colored action: kindergarten heroes, minimalist design, and villains who play like pop-art nightmares. Cartoon Network’s late-nineties brand in three pigtails — short-form girl heroes with punch, style, and a theme that still sounds like a sugar rush with a flying lesson attached.
Drop year: **1998**. Cartoon Network puts sugar, spice, and Chemical X on the original-identity calendar and a city that never stays saved. Rex can keep the Saturday-morning martini; this is brand architecture in three pigtails, not a museum cartoon with nicer merch. Kindergarten heroes, minimalist design, villains as pop-art nightmares. The metric is not a lecture about girl power. The metric is a network finally photographing as itself — late-1990s original identity, punchy and musical, endlessly merchandisable.
Filed against
- Cathy Cavadini as Blossom
Cathy Cavadini voiced Blossom on The Powerpuff Girls — sugar, spice, Chemical X, a city that never stays saved. Craig McCracken's candy-colored action: kindergarten heroes, minimalist design, villains as pop-art nightmares. Cartoon…
- Tara Strong as Bubbles
Tara Strong powered The Powerpuff Girls as Bubbles — sugar, spice, Chemical X, kindergarten heroes in a city that never stays saved. Craig McCracken's candy-colored action, minimalist design, pop-art nightmares. TV Flash files her as…
- Elizabeth Daily as Buttercup
Elizabeth Daily voiced Buttercup on The Powerpuff Girls — sugar, spice, Chemical X, and the pugnacious third of Craig McCracken's candy-colored action. Cartoon Network's late-nineties brand in a green stripe. TV Flash files her as 1990s…
- Tom Kenny as Narrator / Mayor
Tom Kenny voices the Narrator and the Mayor on The Powerpuff Girls — sugar, spice, Chemical X, and a city that never stays saved. Craig McCracken’s candy-colored action made kindergarten heroes into Cartoon Network’s late-nineties brand.…
- Roger L. Jackson as Mojo Jojo
Roger L. Jackson's Mojo Jojo snarled through The Powerpuff Girls as pop-art nightmare — sugar, spice, Chemical X, Craig McCracken's candy-colored action, kindergarten heroes in a city that never stays saved. Cartoon Network's…