Overview of 'Johnny Test' Season 4

Johnny Test (2005)

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.

Writing:

Scott Fellows

Stars:

Release Date: 2005-09-17
Seasons: 1 2 3 4 5 6

6.4/10

Country: CA, US
Language: English
Runtime: 11

Season 4 Episode List

Episode 1 - Johnny's New Baby Sisters
Release Date: 2009-11-09
Susan and Mary purposely turn themselves into babies while the parents are out, and Johnny has to keep them safe from the irresponsible babysitter Gil; this interferes with a party he and Dukey had been planning.
Episode 2 - Porta Johnny
Release Date: 2009-11-10
Johnny tricks his sisters into letting him have teleporting powers. Susan and Mary mess with the powers to get revenge. Later the twins accidentally get them caught in a middle of an art robbery.
Episode 3 - Join the Johnny Scouts
Release Date: 2009-11-11
After Johnny lands his bike into a garbage truck, he becomes a Lady Bird Scout and tries to sell 1,000 boxes of cookies to get a new one. Little does he know, Sissy wants the bike as well, but for a better reason.
Episode 4 - Johnny BC
Release Date: 2009-11-12
Johnny goes back in time in order to get a sloth bone for the twins, but when he returns he becomes a caveman, interfering with his grounding from selling Hugh's personal items.
Episode 5 - Runaway Johnny
Release Date: 2009-11-12
Johnny and Dukey run away when Johnny's parents say he's old enough to do chores but not old enough to watch PG-13 movies.
Episode 6 - Johnny on the Spot
Release Date: 2009-11-12
Johnny steals a portable black hole, which later creates an early apocalypse.
Episode 7 - Dark Johnny
Release Date: 2009-10-01
Johnny joins forces with Dark Vegan to get him back to his home planet.
Episode 8 - No Homework for Johnny
Release Date: 2009-10-01
Susan and Mary build Johnny a robot in order to help him do his homework, but the robot ends up stealing things for Johnny.
Episode 9 - Papa Johnny
Release Date: 2009-10-08
Susan and Mary switch Johnny and Hugh's brains after the two make a bet that involves taking on each other's lives.
Episode 10 - The Johnnyminster Dog Show
Release Date: 2009-10-08
Johnny and Dukey try to get in a dog show which only allows perfectly groomed and trained dogs.
Episode 11 - Dukey Jekyll and Johnny Hyde
Release Date: 2009-10-15
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.
Episode 12 - Johnny's Trophy Case
Release Date: 2009-10-15
Johnny wants to get a trophy to put in his trophy case. Susan and Mary get obsessed with winning, so the three of them enter The Pork Belly River Jumpoff to win 1 million dollars and a trophy.
Episode 13 - Johnny's Amazing Cookie Company
Release Date: 2009-11-26
Susan and Mary make fortune cookies that come true, and Johnny sells them with the typical drastic results.
Episode 14 - Johnny's Big Dumb Sisters
Release Date: 2009-11-26
The twins' latest invention accidentally makes them dumb thanks to Johnny right before their scholarship interview.
Episode 15 - My Johnny Guard
Release Date: 2009-12-03
Johnny gets hired to stop Bling-bling from kissing Susan, but Johnny turns on the sisters once Bling-Bling bribes him.
Episode 16 - Tom and Johnny
Release Date: 2009-12-03
Johnny turns into a mouse for Susan and Mary, but when Mr. Mittens comes, things get chaotic. This episode is a parody of Tom and Jerry.
Episode 17 - The Quantum of Johnny
Release Date: 2009-12-10
Johnny tries to get invited to a party to stop a villain. NOTE: Susan and Mary don't appear in this episode.
Episode 18 - Johnny Get Yer Gum
Release Date: 2009-12-10
Mr. Whacko invents a new helium gum that lifts kids into the sky, and Johnny must save them.
Episode 19 - Old School Johnny
Release Date: 2010-01-07
Johnny travels to 1845 when school was easier, but he gets stuck there because the power supplier to the Turbo Time Tea house hasn't been invented yet. The sisters and Johnny try to find outdated technology to power the tea house.
Episode 20 - Johnny Degrees Below Zero
Release Date: 2010-01-07
Johnny creates a magnetic force field on the Earth which makes Porkbelly the new north pole.
Episode 21 - Johnny Johnny
Release Date: 2010-02-04
Johnny and Dukey get framed for stuff that Johnny and Dukey look alike robots (which Mr. Black and Mr. White made) do around Porkbelly.
Episode 22 - Johnny Double Coupons
Release Date: 2010-02-04
Johnny keeps attempting to ride down Suicide hill, but Susan and Mary keep redeeming Johnny's coupons.
Episode 23 - X-Ray Johnny
Release Date: 2010-02-25
Johnny gets X-Ray goggles.
Episode 24 - The Destruction of Johnny X
Release Date: 2010-02-25
Johnny and Dukey decide to remain in super hero mode permanently but find being a superhero is harder than they think.
Episode 25 - iJohnny
Release Date: 2010-03-02
The twins upgrade Johnny's new cell phone. Later the phone becomes too intelligent and begins hacking government space missiles.
Episode 26 - Johnny vs. The Mummy
Release Date: 2010-03-02
Johnny goes on a trip to the museum and brings the things to life, including a mummy.
Episode 27 - Johnny Grow Your Own Monster
Release Date: 2010-05-11
Johnny's mail order foam monster becomes a real monster once the twins swap the water with their bottle of "side effects".
Episode 28 - Who's Johnny
Release Date: 2010-05-10
When Sissy considers Johnny too gross to help her in a science project, he begs Susan and Mary to change his personality.
Episode 29 - Princess Johnny
Release Date: 2010-05-24
Johnny poses as a princess in order to prevent a war. Meanwhile, Susan and Mary decide that they would like to act like normal girls.
Episode 30 - 99 Deeds of Johnny Test
Release Date: 2010-05-24
After getting his 99th detention, Johnny learns he must perform 99 good deeds or he will be sent to military school.
Episode 31 - Johnny's Amazing Race
Release Date: 2010-07-12
Johnny and Dukey challenge his sisters, their friends, and their enemies to a survival challenge in which the winning team gets hundreds of dollars in gift certificates.
Episode 32 - Johnny Test in 3D
Release Date: 2010-07-12
While the tests go on vacation, Johnny and Dukey try to get back into their hotel room and avoid the hotel manager that doesn't allow pets.
Episode 33 - Guess Who's Coming to Johnny's for Dinner
Release Date: 2010-07-26
Mr. Black moves in with the Tests after he embarrasses Mr. White at the dance contest auditions.
Episode 34 - Johnny's New BFF
Release Date: 2010-07-26
Johnny's parents keep setting Johnny up with new friends. When those don't work out, Johnny reveals Dukey's intelligence. Later, Dukey spends more time helping Johnny's parents instead of playing with Johnny.
Episode 35 - Johnny vs. Bling Bling IV
Release Date: 2010-08-09
Johnny once again has to protect Susan from Bling Bling Boy who is determined to have her as his valentine.
Episode 36 - Johnny's Big Sister Smackdown
Release Date: 2010-08-09
Susan and Mary both want Gil to go on a date with them, so they put up a wrestling match using rough guts (Susan uses Johnny's while Mary uses a lion's), but it leads to destructive results.
Episode 37 - Sunshine Malibu Johnny
Release Date: 2010-08-23
Johnny goes to the beach to surf, but there are no waves, so Susan and Mary build a wave making machine and special surfboard for him.
Episode 38 - Johnnyicle
Release Date: 2010-08-23
Johnny and Dukey try to help Brain Freezer get a girlfriend.
Episode 39 - King Johnny
Release Date: 2010-09-06
Johnny becomes obsessed with domination after Susan and Mary bring his chess pieces to life.
Episode 40 - Johnny Re-Animated
Release Date: 2010-09-06
Johnny uses one of his sisters' inventions to bring two cartoon characters to the real world in order to scare Sissy out of the house, but the characters mistake Porkbelly for a zombie world and try to destroy it.
Episode 41 - Johnny Cakes
Release Date: 2010-09-20
It's Lila's birthday and the family spends the morning to make her birthday a success. Johnny struggles to make her breakfast, Hugh tries to figure out a good but inexpensive gift for her, and the twins keep trap Lila in her bedroom until Hugh and Johnny are ready.
Episode 42 - Johnny Tube
Release Date: 2010-09-20
Johnny wants to become a internet sensation.
Episode 43 - Sleepover at Johnny's
Release Date: 2010-10-04
Johnny is dragged into Susan and Mary's plan to get Gil to be in a sleep-over, but Bling-Bling Boy and Dark Vegan's daughter Jillian become involved as well, with the usual chaos ensuing.
Episode 44 - Johnny's Got a Wart!
Release Date: 2010-10-04
Johnny gets a wart, and when his sisters try to get rid of it, it gives the wart intelligence and seems to make Johnny's life better, but he tries to take over his body as he gets more powerful.
Episode 45 - Johnny's Royal Flush
Release Date: 2010-10-18
When Susan and Mary turns Johnny into a fish as part of one of their experiments, Hugh flushes him down the toilet by mistake where he ends up in the sewer, and he has to swim for his life when he runs into an alligator.
Episode 46 - Johnny Test's Day Off
Release Date: 2010-10-18
Johnny ditches school with a relentless truant officer in hot pursuit.
Episode 47 - Johnny & Dark Vegan's Battle Brawl Mania
Release Date: 2010-11-01
Dark Vegan once again tries to destroy Johnny, who is trying to cheer up lonely Repto-Slicer.
Episode 48 - A Scholarship for Johnny
Release Date: 2010-11-01
Hugh wants to train Johnny to be good at sports so that he could get a sports scholarship to college.
Episode 49 - Johnny Boat Racing
Release Date: 2010-11-15
Johnny, his friends, and his enemies all compete in a boat race against an arrogant rowing team.
Episode 50 - Johnny Lock Down
Release Date: 2010-11-15
Johnny is determined to get a flytrap plant from his sisters for his school's science fair.
Episode 51 - Good Ol' Johnny Test
Release Date: 2010-11-29
Johnny is in charge of the school play about recycling while Susan and Mary create a garbage-eating monster.
Episode 52 - Johnny X Strikes Back Again
Release Date: 2010-11-29
The general takes away the lab, and than builds agent cyborgs. They charge up Johnny X and their friends to stop them!