Season 4 episodes2009-09-10

Season 4

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.

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Episodes

Season 4

Episode 1

Johnny's New Baby Sisters

11m

Episode 2

Porta Johnny

11m

Episode 3

Join the Johnny Scouts

11m

Episode 4

Johnny BC

11m

Episode 5

Runaway Johnny

11m

Season 4

Season 4

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

Johnny Grow Your Own Monster

Who's Johnny

Princess Johnny

99 Deeds of Johnny Test

Johnny's Amazing Race

Johnny Test in 3D

Guess Who's Coming to Johnny's for Dinner

Johnny's New BFF

Johnny vs. Bling Bling IV

Johnny's Big Sister Smackdown

Sunshine Malibu Johnny

Johnnyicle

King Johnny

Johnny Re-Animated

Johnny Cakes

Johnny Tube

Sleepover at Johnny's

Johnny's Got a Wart!

Johnny's Royal Flush

Johnny Test's Day Off

Johnny & Dark Vegan's Battle Brawl Mania

A Scholarship for Johnny

Johnny Boat Racing

Johnny Lock Down

Good Ol' Johnny Test

Johnny X Strikes Back Again