Season 3
Artwork
| # | Image | Title | Aired |
|---|---|---|---|
| 1 |  | Johnny vs. Bling-Bling Boy 3 | Sep 22, 2007 |
| 2 | Stinkin' Johnny | Sep 22, 2007 | |
| 3 | Johnny X and the Attack of the Snowmen | Sep 29, 2007 | |
| 4 | Johnny vs. Dukey | Sep 29, 2007 | |
| 5 | Here Johnny, Here Boy | Oct 6, 2007 | |
| 6 | Johnny Applesauce | Oct 6, 2007 | |
| 7 | Johnny'mon | Oct 13, 2007 | |
| 8 | Bath Time for Johnny | Oct 13, 2007 | |
| 9 | Johnny Test: Monster Starter | Jan 26, 2008 | |
| 10 | Johnny Holiday | Nov 3, 2007 | |
| 11 | Coming to a Johnny Near You | Nov 10, 2007 | |
| 12 | When Johnny Comes Marching Home | Nov 10, 2007 | |
| 13 | Johnnyitis | Dec 1, 2007 | |
| 14 | Johnny Mustache | Dec 1, 2007 | |
| 15 |  | Johnny Fu | Dec 15, 2007 |
| 16 | Johnny Escape From Bling Bling Island | Dec 15, 2007 | |
| 17 |  | Johnny's Monkey Business | Jan 26, 2008 |
| 18 | Johnny Bench | Jan 26, 2008 | |
| 19 |  | Johnny Long Legs | Feb 2, 2008 |
| 20 | Johnny Test in Outer Space | Feb 2, 2008 | |
| 21 |  | Johnny Kart Racing | Feb 16, 2008 |
| 22 | Johnny Smells Good | Feb 16, 2008 | |
| 23 |  | Return of Johnny'mon | Feb 23, 2008 |
| 24 | Johnny Dukey Doo | Feb 23, 2008 | |
| 25 |  | Johnny X: A New Beginning (JX6-a) | Mar 1, 2008 |
| 26 | Johnny X: The Final Ending (JX6-b) | Mar 1, 2008 |