Animation•Comedy•Action & Adventure

The Best Seasons of Johnny Test

Every season of Johnny Test ever, ranked from best to worst by thousands of votes from fans of the show. The best seasons of Johnny Test!

Binge this in Unknown•Peaking at 8.2/10

Young Johnny is gung-ho and full of courage. Johnny's brainiac twin sisters, Susan and Mary, use Johnny as their guinea pig for their outrageous scientific experiments. If they can dream it up, Johnny will do

Airs on

The WB Cartoon Network The CW Teletoon

Season 1

26 Episodes

First Aired: Sep 2005

7.4/ 10

Average Rating

Best episodeE13 · Johnny and the Mega Roboticles 8.2

Season 2

26 Episodes

First Aired: Oct 2006

6.8/ 10

Average Rating

Best episodeE8 · Johnny Mint Chip 7.2

Season 3

26 Episodes

First Aired: Aug 2007

6.5/ 10

Average Rating

Best episodeE13 · Johnnyitis 7.1

Other Seasons

Season 4

52 Episodes

First Aired: Sep 2009

6.2/ 10

Average Rating

Best episodeE21 · Johnny Johnny 6.7

Season 6

52 Episodes

First Aired: Apr 2013

6.1/ 10

Average Rating

Best episodeE26 · Johnny's Zombie Bomb 7.4

Season 5

52 Episodes

First Aired: Jun 2011

5.9/ 10

Average Rating

Best episodeE26 · Nightmare on Johnny's Street 6.8