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 it; as long as his genetically engineered super dog, Dukey, can come along.
Season 1
Johnny to the Center of the Earth
S1E1 / 17 Sep 2005
Johnny X
S1E2 / 17 Sep 2005Johnny vs. Bling-Bling Boy
S1E3 / 24 Sep 2005
Johnny Impossible
S1E4 / 24 Sep 2005Johnny Test: Party Monster
S1E5 / 01 Oct 2005
Johnny Test: Extreme Crime Stopper
S1E6 / 01 Oct 2005Deep Sea Johnny
S1E7 / 08 Oct 2005
Johnny and the Amazing Turbo Action Backpack
S1E8 / 08 Oct 2005Johnny and the Ice Pigs
S1E9 / 29 Oct 2005
Johnny’s House of Horrors
S1E10 / 29 Oct 2005Johnny’s Super Smartypants
S1E11 / 05 Nov 2005
Take Your Johnny to Work Day
S1E12 / 05 Nov 2005Johnny and the Mega Roboticles
S1E13 / 12 Nov 2005
Johnny Gets Mooned
S1E14 / 12 Nov 2005Johnny Hollywood
S1E15 / 19 Nov 2005
Johnny's Turbo Time Rewinder
S1E16 / 19 Nov 2005Return of Johnny X
S1E17 / 26 Nov 2005
Sonic Johnny
S1E18 / 26 Nov 2005Dog Days of Johnny
S1E19 / 11 Feb 2006
Johnny's Pink Plague
S1E20 / 11 Feb 2006Johnny's Extreme Game Controller
S1E21 / 18 Feb 2006
Li'l Johnny
S1E22 / 18 Feb 2006Johnny vs. Brain Freezer
S1E23 / 22 Jul 2006
Johnny's Big Snow Job
S1E24 / 22 Jul 2006Johnny Dodgeball
S1E25 / 29 Jul 2006
Johnny and the Attack of the Monster Truck
S1E26 / 29 Jul 2006
Season 2
Hoist the Johnny Roger
S2E1 / 28 Oct 2006
Johnny's Turbo Toy Force
S2E2 / 28 Oct 2006
JTV
S2E3 / 04 Nov 2006
Johnny vs. Bling-Bling Boy 2
S2E4 / 04 Nov 2006
Johnnyland
S2E5 / 11 Nov 2006
Johnny's Got a Brand New Dad
S2E6 / 11 Nov 2006
Saturday's Alright for Johnny
S2E7 / 18 Nov 2006
Johnny Mint Chip
S2E8 / 18 Nov 2006
Johnny's Pet Day
S2E9 / 03 Feb 2007
Phat Johnny
S2E10 / 03 Feb 2007
The Revenge of Johnny X
S2E11 / 10 Feb 2007
The Enchanted Land of Johnnia
S2E12 / 10 Feb 2007
101 Johnnies
S2E13 / 17 Feb 2007Johnny Zombie Tea Party
S2E14 / 17 Feb 2007Johnny Test in Black & White
S2E15 / 24 Feb 2007Johnny the Kid
S2E16 / 24 Feb 2007Downhill Johnny
S2E17 / 03 Mar 2007Johnny Meets the Pork-Ness Monsters
S2E18 / 03 Mar 2007Johnny X Strikes Back
S2E19 / 21 Apr 2007Johnny vs. Super Soaking Cyborgs
S2E20 / 21 Apr 200700-Johnny
S2E21 / 28 Apr 2007Johnny of the Jungle
S2E22 / 28 Apr 2007Johnny vs. Smash Badger 3
S2E23 / 05 May 2007Johnny Bee Good
S2E24 / 05 May 2007The Good, the Bad & the Johnny
S2E25 / 12 May 2007Rock-a-Bye Johnny
S2E26 / 12 May 2007
Season 3
Johnny vs. Bling-Bling Boy 3
S3E1 / 17 Aug 2007
Stinkin' Johnny
S3E2 / 17 Aug 2007
Johnny X and the Attack of the Snowmen
S3E3 / 03 Sep 2007
Johnny vs. Dukey
S3E4 / 03 Sep 2007
Here Johnny, Here Boy
S3E5 / 16 Sep 2007
Johnny Applesauce
S3E6 / 16 Sep 2007
Johnny'mon
S3E7 / 23 Sep 2007
Bath Time for Johnny
S3E8 / 23 Sep 2007
Johnny Test: Monster Starter
S3E9 / 06 Oct 2007
Johnny Holiday
S3E10 / 06 Oct 2007
Coming to a Johnny Near You
S3E11 / 07 Oct 2007
When Johnny Comes Marching Home
S3E12 / 07 Oct 2007
Johnnyitis
S3E13 / 27 Oct 2007Johnny Mustache
S3E14 / 27 Oct 2007Johnny Fu
S3E15 / 15 Nov 2007Johnny Escape From Bling-Bling Island
S3E16 / 15 Nov 2007Johnny's Monkey Business
S3E17 / 28 Oct 2007Johnny Bench
S3E18 / 28 Oct 2007Johnny Long Legs
S3E19 / 08 Dec 2007Johnny Test in Outer Space
S3E20 / 08 Dec 2007Johnny Kart Racing
S3E21 / 15 Dec 2007Johnny Smells Good
S3E22 / 15 Dec 2007Return of Johnny'mon
S3E23 / 27 Jan 2008Johnny Dukey Doo
S3E24 / 27 Jan 2008Johnny X: A New Beginning
S3E25 / 03 Feb 2008Johnny X: The Final Ending
S3E26 / 03 Feb 2008
Season 4
Johnny's New Baby Sisters
S4E1 / 10 Sep 2009
Porta Johnny
S4E2 / 10 Sep 2009
Join the Johnny Scouts
S4E3 / 17 Sep 2009
Johnny BC
S4E4 / 17 Sep 2009
Runaway Johnny
S4E5 / 24 Sep 2009
Johnny on the Spot
S4E6 / 24 Sep 2009
Dark Johnny
S4E7 / 01 Oct 2009
No Homework for Johnny
S4E8 / 01 Oct 2009
Papa Johnny
S4E9 / 08 Oct 2009
The Johnnyminster Dog Show
S4E10 / 08 Oct 2009
Dukey Jekyll and Johnny Hyde
S4E11 / 15 Oct 2009
Johnny's Trophy Case
S4E12 / 15 Oct 2009
Johnny's Amazing Cookie Company
S4E13 / 26 Nov 2009
Johnny's Big Dumb Sisters
S4E14 / 26 Nov 2009
My Johnny Guard
S4E15 / 03 Dec 2009
Tom and Johnny
S4E16 / 03 Dec 2009
The Quantum of Johnny
S4E17 / 10 Dec 2009
Johnny Get Yer Gum
S4E18 / 10 Dec 2009
Old School Johnny
S4E19 / 07 Jan 2010
Johnny Degrees Below Zero
S4E20 / 07 Jan 2010
Johnny Johnny
S4E21 / 04 Feb 2010
Johnny Double Coupons
S4E22 / 04 Feb 2010
X-Ray Johnny
S4E23 / 18 Feb 2010
The Destruction of Johnny X
S4E24 / 18 Feb 2010
iJohnny
S4E25 / 25 Feb 2010
Johnny vs. The Mummy
S4E26 / 25 Feb 2010Johnny Grow Your Own Monster
S4E27 / 10 May 2010Who's Johnny
S4E28 / 17 May 2010Princess Johnny
S4E29 / 24 May 201099 Deeds of Johnny Test
S4E30 / 05 Jul 2010Johnny's Amazing Race
S4E31 / 12 Jul 2010Johnny Test in 3D
S4E32 / 19 Jul 2010Guess Who's Coming to Johnny's for Dinner
S4E33 / 26 Jul 2010Johnny's New BFF
S4E34 / 02 Aug 2010Johnny vs. Bling Bling IV
S4E35 / 09 Aug 2010Johnny's Big Sister Smackdown
S4E36 / 16 Aug 2010Sunshine Malibu Johnny
S4E37 / 23 Aug 2010Johnnyicle
S4E38 / 30 Aug 2010King Johnny
S4E39 / 06 Sep 2010Johnny Re-Animated
S4E40 / 13 Sep 2010Johnny Cakes
S4E41 / 20 Sep 2010Johnny Tube
S4E42 / 27 Sep 2010Sleepover at Johnny's
S4E43 / 04 Oct 2010Johnny's Got a Wart!
S4E44 / 11 Oct 2010Johnny's Royal Flush
S4E45 / 18 Oct 2010Johnny Test's Day Off
S4E46 / 25 Oct 2010Johnny & Dark Vegan's Battle Brawl Mania
S4E47 / 01 Nov 2010A Scholarship for Johnny
S4E48 / 08 Nov 2010Johnny Boat Racing
S4E49 / 15 Nov 2010Johnny Lock Down
S4E50 / 22 Nov 2010Good Ol' Johnny Test
S4E51 / 29 Nov 2010Johnny X Strikes Back Again
S4E52 / 30 Dec 2010
Season 5
Johnny Goes Nuts
S5E1 / 13 Jun 2011
Johnny Daddy Day
S5E2 / 13 Jun 2011
Johnny Cruise
S5E3 / 20 Jun 2011
Rated J for Johnny
S5E4 / 20 Jun 2011
Spotless Johnny
S5E5 / 27 Jun 2011
Johnny vs. Bling-Bling: The Ultimate Battle
S5E6 / 27 Jun 2011
Cat Scratch Johnny
S5E7 / 11 Jul 2011
Johnny of the Deep
S5E8 / 11 Jul 2011
Johnny Swellville
S5E9 / 18 Jul 2011
Johnny Irresistible
S5E10 / 18 Jul 2011
Johnny's Rat Race
S5E11 / 25 Jul 2011
Black & White & Johnny All Over
S5E12 / 25 Jul 2011
Lawn Gone Johnny
S5E13 / 01 Aug 2011
Johnny's Ultimate Treehouse
S5E14 / 01 Aug 2011
Johnny Goes Camping
S5E15 / 08 Aug 2011
Johnny's World Prank Wars I
S5E16 / 15 Aug 2011
How to Become a John-i Knight
S5E17 / 22 Aug 2011
The Return of Johnny Super Smarty Pants
S5E18 / 29 Aug 2011
Fangs a Lot Johnny
S5E19 / 13 Sep 2011
Johnny Testosterone
S5E20 / 05 Sep 2011
Johnny's Keys to Success
S5E21 / 19 Sep 2011
Johnny's Winter Jacket
S5E22 / 19 Sep 2011
Johnny Two-Face
S5E23 / 20 Sep 2011
Johnny Susan, Susan Johnny
S5E24 / 20 Sep 2011
Johnny Trick or Treat
S5E25 / 17 Oct 2011
Nightmare on Johnny's Street
S5E26 / 24 Oct 2011My Dinner with Johnny
S5E27 / 21 Sep 2011Johnny Alternative
S5E28 / 21 Sep 2011Cool Hand Johnny
S5E29 / 28 Nov 2011Roller Johnny
S5E30 / 11 Jan 2012A Holly Johnny Christmas
S5E31 / 05 Dec 2011Johnny's First Annual Snowball
S5E32 / 12 Dec 2011Lakeside Johnny
S5E33 / 18 Jan 2012Johnny Germ Fighter
S5E34 / 25 Jan 2012Johnny's World Record
S5E35 / 01 Feb 2012Mush, Johnny, Mush
S5E36 / 08 Feb 2012Johnny's Treasure
S5E37 / 15 Feb 2012Extra Credit Johnny
S5E38 / 22 Feb 2012Johnny's Left Foot
S5E39 / 07 Mar 2012Johnny vs. The Tickler
S5E40 / 14 Mar 2012Bugged Out Johnny
S5E41 / 21 Mar 2012Johnny Test's Quest
S5E42 / 28 Mar 2012Johnny-O's
S5E43 / 04 Apr 2012It's Du-Kay Johnny
S5E44 / 11 Apr 2012Magic Johnny
S5E45 / 06 Jun 2012Dolly Johnny
S5E46 / 13 Jun 2012Johnny McCool
S5E47 / 20 Jun 2012It's an Invasion, Johnny
S5E48 / 27 Jun 2012It's All Relative, Johnny
S5E49 / 25 Jul 2012Johnny Rich
S5E50 / 01 Aug 2012Johnny X... Again? (JX9)
S5E51 / 08 Aug 2012Green Johnny
S5E52 / 15 Aug 2012
Season 6
Johnny on the Clock
S6E1 / 23 Apr 2013Johnny X-Factor (JX10)
S6E2 / 30 Apr 2013Johnny Vets Dukey
S6E3 / 07 May 2013Johnny's No. 1 Fan
S6E4 / 14 May 2013How to Train Your Johnny
S6E5 / 21 May 2013Johnny and Clyde
S6E6 / 28 May 2013Johnny's Super Massive Kart Wheelies 7
S6E7 / 04 Jun 2013Smooth Talking Johnny
S6E8 / 11 Jun 2013Johnny and the Beanstalk
S6E9 / 18 Jun 2013Johnny and Bling-Bling Bond Bond
S6E10 / 25 Jun 2013Johnny's Got Talent
S6E11 / 02 Jul 2013Johnny's Rough Around the Hedges
S6E12 / 09 Jul 2013Johnny's Head in the Clouds
S6E13 / 16 Jul 2013Stop in the Name of Johnny
S6E14 / 23 Jul 2013
Johnny Opposite
S6E15 / 30 Jul 2013
Johnny on the Job
S6E16 / 30 Jul 2013Johnny's 100th Episode
S6E17 / 27 Aug 2013
Johnny's Next Episode
S6E18 / 27 Aug 2013
Johnny's Supreme Theme
S6E19 / 03 Sep 2013
Past and Present Johnny
S6E20 / 03 Sep 2013
The Sands of Johnny
S6E21 / 17 Sep 2013Abominable Johnny
S6E22 / 17 Sep 2013Johnny vs. the Dukenator
S6E23 / 02 Oct 2013Johnny's Petting Zoo Posse
S6E24 / 02 Oct 2013The Johnny Who Saved Halloween
S6E25 / 16 Oct 2013Johnny's Zombie Bomb
S6E26 / 16 Oct 2013Johnny's New Super Mega Villain
S6E27 / 30 Oct 2013Johnny in Charge
S6E28 / 30 Oct 2013Johnny Unplugged
S6E29 / 13 Nov 2013Johnny's Monster Mash
S6E30 / 13 Nov 2013Johnny's Chipmunk Chit Chat
S6E31 / 04 Dec 2013A Picture's Worth 1000 Johnnies
S6E32 / 04 Dec 2013Dial J for Johnny
S6E33 / 15 Jan 2014Road Trip Johnny
S6E34 / 15 Jan 2014Code Cracking Johnny
S6E35 / 05 Feb 2014Johnny Goes Viral
S6E36 / 05 Feb 2014FrankenJohnny
S6E37 / 18 Feb 2014The Johnny Express
S6E38 / 18 Feb 2014Crash Test Johnny
S6E39 / 25 Feb 2014Johnny's Junky Trunk
S6E40 / 25 Feb 2014Super Johnny Action Federation
S6E41 / 11 Mar 2014Gil-Stopping Johnny
S6E42 / 11 Mar 2014Johnny With a Chance of Meatloaf
S6E43 / 23 Apr 2014It's Easter, Johnny Test!
S6E44 / 23 Apr 2014Future Johnny
S6E45 / 07 May 2014Dukey See Johnny Do
S6E46 / 07 May 2014Hair's Johnny
S6E47 / 21 May 2014Johnny's Hungry Games
S6E48 / 21 May 2014Tiny Johnny
S6E49 / 04 Jun 2014Johnny Goes Gaming
S6E50 / 04 Jun 2014The Last Flight of Johnny X (JX11)
S6E51 / 18 Jun 2014Johnny's Last Chapter
S6E52 / 18 Jun 2014
James Arnold Taylor
Johnny Test (voice)
Maryke Hendrikse
Susan Test (voice)
Ashleigh Ball
Mary Test (voice)
Lee Tockar
The General / Bling-Bling Boy (voice)
Ian James Corlett
Hugh Test (voice)
Trevor Devall
Dukey (voice)
Kathleen Barr
Lila Test (voice)
