Johnny Test
S04E11 Dukey Jekyll and Johnny Hyde
Dukey consumes a mysterious potion that transforms him into a fearsome creature. As chaos ensues, he finds himself pursued by a relentless dog catcher, and later, two enigmatic figures known as Mr. Black and Mr. White.
Season 4 Episodes
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Johnny's New Baby Sisters
Porta Johnny
Join the Johnny Scouts
Johnny BC
Runaway Johnny
Johnny on the Spot
Dark Johnny
No Homework for Johnny
Papa Johnny
The Johnnyminster Dog Show
Dukey Jekyll and Johnny Hyde
Johnny's Trophy Case
Johnny's Amazing Cookie Company
Johnny's Big Dumb Sisters
My Johnny Guard
Tom and Johnny
The Quantum of Johnny
Johnny Get Yer Gum
Old School Johnny
Johnny Degrees Below Zero
Johnny Johnny
Johnny Double Coupons
X-Ray Johnny
The Destruction of Johnny X
iJohnny
Johnny vs. The Mummy