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.
| Title | Time | |
|---|---|---|
| 1 | Johnny to the Center of the Earth | 2005-09-17 |
| 2 | Johnny X | 2005-09-17 |
| 3 | Johnny vs. Bling-Bling Boy | 2005-09-24 |
| 4 | Johnny Impossible | 2005-09-24 |
| 5 | Johnny Test: Party Monster | 2005-10-01 |
| 6 | Johnny Test: Extreme Crime Stopper | 2005-10-01 |
| 7 | Deep Sea Johnny | 2005-10-08 |
| 8 | Johnny and the Amazing Turbo Action Backpack | 2005-10-08 |
| 9 | Johnny and the Ice Pigs | 2005-10-29 |
| 10 | Johnny’s House of Horrors | 2005-10-29 |
| 11 | Johnny’s Super Smartypants | 2005-11-05 |
| 12 | Take Your Johnny to Work Day | 2005-11-05 |
| 13 | Johnny and the Mega Roboticles | 2005-11-12 |
| 14 | Johnny Gets Mooned | 2005-11-12 |
| 15 | Johnny Hollywood | 2005-11-19 |
| 16 | Johnny's Turbo Time Rewinder | 2005-11-19 |
| 17 | Return of Johnny X | 2005-11-26 |
| 18 | Sonic Johnny | 2005-11-26 |
| 19 | Dog Days of Johnny | 2006-02-11 |
| 20 | Johnny's Pink Plague | 2006-02-11 |
| 21 | Johnny's Extreme Game Controller | 2006-02-18 |
| 22 | Li'l Johnny | 2006-02-18 |
| 23 | Johnny vs. Brain Freezer | 2006-07-22 |
| 24 | Johnny's Big Snow Job | 2006-07-22 |
| 25 | Johnny Dodgeball | 2006-07-29 |
| 26 | Johnny and the Attack of the Monster Truck | 2006-07-29 |
