Johnny Test: 4x11
Dukey Jekyll and Johnny Hyde
Dukey drinks a liquid which makes him turn into a monster. To make matters worse, a dog catcher (and later Mr. Black and Mr. White) are after him.
4 - 1Johnny's New Baby Sisters Nov. 09, 2009
4 - 2Porta Johnny Nov. 10, 2009
4 - 3Join the Johnny Scouts Nov. 11, 2009
4 - 4Johnny BC Nov. 12, 2009
4 - 5Runaway Johnny Nov. 12, 2009
4 - 6Johnny on the Spot Nov. 12, 2009
4 - 7Dark Johnny Oct. 01, 2009
4 - 8No Homework for Johnny Oct. 01, 2009
4 - 9Papa Johnny Oct. 08, 2009
4 - 10The Johnnyminster Dog Show Oct. 08, 2009
4 - 11Dukey Jekyll and Johnny Hyde Oct. 15, 2009
4 - 12Johnny's Trophy Case Oct. 15, 2009
4 - 13Johnny's Amazing Cookie Company Nov. 26, 2009
4 - 14Johnny's Big Dumb Sisters Nov. 26, 2009
4 - 15My Johnny Guard Dec. 03, 2009
4 - 16Tom and Johnny Dec. 03, 2009
4 - 17The Quantum of Johnny Dec. 10, 2009
4 - 18Johnny Get Yer Gum Dec. 10, 2009
4 - 19Old School Johnny Jan. 07, 2010
4 - 20Johnny Degrees Below Zero Jan. 07, 2010
4 - 21Johnny Johnny Feb. 04, 2010
4 - 22Johnny Double Coupons Feb. 04, 2010
4 - 23X-Ray Johnny Feb. 25, 2010
4 - 24The Destruction of Johnny X Feb. 25, 2010
4 - 25iJohnny Mar. 02, 2010
4 - 26Johnny vs. The Mummy Mar. 02, 2010
4 - 27Johnny Grow Your Own Monster May. 11, 2010- 4 - 28Who's Johnny May. 10, 2010
- 4 - 29Princess Johnny May. 24, 2010
- 4 - 3099 Deeds of Johnny Test May. 24, 2010
- 4 - 31Johnny's Amazing Race Jul. 12, 2010
- 4 - 32Johnny Test in 3D Jul. 12, 2010
- 4 - 33Guess Who's Coming to Johnny's for Dinner Jul. 26, 2010
- 4 - 34Johnny's New BFF Jul. 26, 2010
- 4 - 35Johnny vs. Bling Bling IV Aug. 09, 2010
- 4 - 36Johnny's Big Sister Smackdown Aug. 09, 2010
- 4 - 37Sunshine Malibu Johnny Aug. 23, 2010
- 4 - 38Johnnyicle Aug. 23, 2010
- 4 - 39King Johnny Sep. 06, 2010
- 4 - 40Johnny Re-Animated Sep. 06, 2010
- 4 - 41Johnny Cakes Sep. 20, 2010
- 4 - 42Johnny Tube Sep. 20, 2010
- 4 - 43Sleepover at Johnny's Oct. 04, 2010
- 4 - 44Johnny's Got a Wart! Oct. 04, 2010
- 4 - 45Johnny's Royal Flush Oct. 18, 2010
- 4 - 46Johnny Test's Day Off Oct. 18, 2010
- 4 - 47Johnny & Dark Vegan's Battle Brawl Mania Nov. 01, 2010
- 4 - 48A Scholarship for Johnny Nov. 01, 2010
- 4 - 49Johnny Boat Racing Nov. 15, 2010
- 4 - 50Johnny Lock Down Nov. 15, 2010
- 4 - 51Good Ol' Johnny Test Nov. 29, 2010
- 4 - 52Johnny X Strikes Back Again Nov. 29, 2010