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Johnny Test
Season 4 • Episode 18 • Johnny Get Yer Gum
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Johnny Test Season 4, Episode 18: Johnny Get Yer Gum
Mr. Whacko invents a new helium gum that lifts kids into the sky, and Johnny must save them. Watch Johnny Test Season 4, Episode 18 Johnny Get Yer Gum in HD free online. Enjoy high-quality streaming of Johnny Test Season 4, Episode 18 and share your thoughts in the comments below!
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Episodes
52 episodes
Johnny's New Baby Sisters
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.
11 min
Porta Johnny
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.
11 min
Join the Johnny Scouts
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.
11 min
Johnny BC
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.
11 min
Runaway Johnny
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.
11 min
Johnny on the Spot
Johnny steals a portable black hole, which later creates an early apocalypse.
11 min
Dark Johnny
Johnny joins forces with Dark Vegan to get him back to his home planet.
11 min
No Homework for Johnny
Susan and Mary build Johnny a robot in order to help him do his homework, but the robot ends up stealing things for Johnny.
11 min
Papa Johnny
Susan and Mary switch Johnny and Hugh's brains after the two make a bet that involves taking on each other's lives.
11 min
The Johnnyminster Dog Show
Johnny and Dukey try to get in a dog show which only allows perfectly groomed and trained dogs.
11 min
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.
11 min
Johnny's Trophy Case
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.
11 min
Johnny's Amazing Cookie Company
Susan and Mary make fortune cookies that come true, and Johnny sells them with the typical drastic results.
11 min
Johnny's Big Dumb Sisters
The twins' latest invention accidentally makes them dumb thanks to Johnny right before their scholarship interview.
11 min
My Johnny Guard
Johnny gets hired to stop Bling-bling from kissing Susan, but Johnny turns on the sisters once Bling-Bling bribes him.
11 min
Tom and Johnny
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.
11 min
The Quantum of Johnny
Johnny tries to get invited to a party to stop a villain. NOTE: Susan and Mary don't appear in this episode.
11 min
Johnny Get Yer Gum
Mr. Whacko invents a new helium gum that lifts kids into the sky, and Johnny must save them.
11 min
Old School Johnny
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.
11 min
Johnny Degrees Below Zero
Johnny creates a magnetic force field on the Earth which makes Porkbelly the new north pole.
11 min
Johnny Johnny
Johnny and Dukey get framed for stuff that Johnny and Dukey look alike robots (which Mr. Black and Mr. White made) do around Porkbelly.
11 min
Johnny Double Coupons
Johnny keeps attempting to ride down Suicide hill, but Susan and Mary keep redeeming Johnny's coupons.
11 min
X-Ray Johnny
Johnny gets X-Ray goggles.
11 min
The Destruction of Johnny X
Johnny and Dukey decide to remain in super hero mode permanently but find being a superhero is harder than they think.
11 min
iJohnny
The twins upgrade Johnny's new cell phone. Later the phone becomes too intelligent and begins hacking government space missiles.
11 min
Johnny vs. The Mummy
Johnny goes on a trip to the museum and brings the things to life, including a mummy.
11 min
Johnny Grow Your Own Monster
Johnny's mail order foam monster becomes a real monster once the twins swap the water with their bottle of "side effects".
11 min
Who's Johnny
When Sissy considers Johnny too gross to help her in a science project, he begs Susan and Mary to change his personality.
11 min
Princess Johnny
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.
11 min
99 Deeds of Johnny Test
After getting his 99th detention, Johnny learns he must perform 99 good deeds or he will be sent to military school.
11 min
Johnny's Amazing Race
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.
11 min
Johnny Test in 3D
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.
11 min
Guess Who's Coming to Johnny's for Dinner
Mr. Black moves in with the Tests after he embarrasses Mr. White at the dance contest auditions.
11 min
Johnny's New BFF
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.
11 min
Johnny vs. Bling Bling IV
Johnny once again has to protect Susan from Bling Bling Boy who is determined to have her as his valentine.
11 min
Johnny's Big Sister Smackdown
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.
11 min
Sunshine Malibu Johnny
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.
11 min
Johnnyicle
Johnny and Dukey try to help Brain Freezer get a girlfriend.
11 min
King Johnny
Johnny becomes obsessed with domination after Susan and Mary bring his chess pieces to life.
11 min
Johnny Re-Animated
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.
11 min
Johnny Cakes
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.
11 min
Johnny Tube
Johnny wants to become a internet sensation.
11 min
Sleepover at Johnny's
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.
11 min
Johnny's Got a Wart!
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.
11 min
Johnny's Royal Flush
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.
11 min
Johnny Test's Day Off
Johnny ditches school with a relentless truant officer in hot pursuit.
11 min
Johnny & Dark Vegan's Battle Brawl Mania
Dark Vegan once again tries to destroy Johnny, who is trying to cheer up lonely Repto-Slicer.
11 min
A Scholarship for Johnny
Hugh wants to train Johnny to be good at sports so that he could get a sports scholarship to college.
11 min
Johnny Boat Racing
Johnny, his friends, and his enemies all compete in a boat race against an arrogant rowing team.
11 min
Johnny Lock Down
Johnny is determined to get a flytrap plant from his sisters for his school's science fair.
11 min
Good Ol' Johnny Test
Johnny is in charge of the school play about recycling while Susan and Mary create a garbage-eating monster.
11 min
Johnny X Strikes Back Again
The general takes away the lab, and than builds agent cyborgs. They charge up Johnny X and their friends to stop them!
11 min