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The Best Episodes of Johnny Test Season 3

Every episode of Johnny Test Season 3 ranked from best to worst. Discover the Best Episodes of Johnny Test Season 3!

Binge this in 4h 35m•Peaking at 7.1/10

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

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Episode Rankings

  1. #1 Fan Favorite
    Johnny Test Season 3 Episode 13 - Johnnyitis
    7.1/10(54 votes)

    S3:E13

    Johnny drinks an unstable isotope so he can get sick and not have to study for a test for school. Unfortunately, not only does the isotope give him red spots and a purple tongue, if it's not cured within four hours, it's going to give him immense bloating, cause violent coughing, and eventually make him explode.

    Director:Larry Jacobs
    Writer:Scott Fellows

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  2. Johnny Test Season 3 Episode 11 - Coming to a Johnny Near You
    6.8/10(49 votes)

    S3:E11

    When Dukey explains how narration makes everything seem better, Johnny convinces Susan and Mary to make a reality warping megaphone, but it malfunctions.

    Director:Larry Jacobs
    Writer:Ron Holsey

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  3. Johnny Test Season 3 Episode 4 - Johnny vs. Dukey
    6.6/10(56 votes)

    S3:E4

    After Johnny and Dukey send Bumper packing, they start to come against each other in a game of "Say Uncle".

    Director:Larry Jacobs
    Writer:Mark Fellows

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  4. Johnny Test Season 3 Episode 12 - When Johnny Comes Marching Home
    6.6/10(53 votes)

    S3:E12

    Johnny buys a video game which turns out to be a military plot to recruit an elite team of super soldiers, and then he must join the fight against a group of renegade penguins who are losing their home to global warming.

    Director:Larry Jacobs
    Writer:Scott Fellows

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  5. Johnny Test Season 3 Episode 3 - Johnny X and the Attack of the Snowmen
    6.5/10(50 votes)

    S3:E3

    Brain Freezer creates an army of snowmen, and only Johnny X can stop him.

    Director:Larry Jacobs
    Writer:Scott Fellows

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  6. Johnny Test Season 3 Episode 9 - Johnny Test: Monster Starter
    6.5/10(42 votes)

    S3:E9

    Mr. Black and Mr. White ask Susan and Mary to design a new weapon, so they make a helmet that allows the user to control things with their mind. But it becomes a huge mistake when it's stuck on Johnny's head, and his obsession with a new video game now makes any inanimate object he sees turn into a monster.

    Director:Larry Jacobs
    Writer:Lazar Saric

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  7. Johnny Test Season 3 Episode 2 - Stinkin' Johnny
    6.4/10(47 votes)

    S3:E2

    Johnny wants to buy an HDTV and the twins need an important ingredient for their experiment. The only solution: Enter Johnny in a professional wrestling competition so they can win $10,000, so they make Johnny a wrestling suit which allows him to spray stink gas from his suit.

    Director:Larry Jacobs
    Writer:Scott Fellows

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  8. Johnny Test Season 3 Episode 5 - Here Johnny, Here Boy
    6.4/10(42 votes)

    S3:E5

    Fed up with the lack of respect, Dukey has convinced Mary and Susan to turn Johnny into a dog. In the meantime Mary and Susan turn themselves into animals so they can get loved by Gil. It all goes wrong when Animal Control arrives and snatches them.

    Director:Larry Jacobs
    Writer:Lazar Saric

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  9. Johnny Test Season 3 Episode 1 - Johnny vs. Bling-Bling Boy 3
    6.3/10(54 votes)

    S3:E1

    When Eugene finds out that Johnny is what stands in the way of him and Susan, he sets out to lock Johnny up forever as he tries to get the last ingredient for his sister's "Susan-hating lozenge".

    Director:Larry Jacobs
    Writer:Scott Fellows

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  10. Johnny Test Season 3 Episode 7 - Johnny'mon
    6.2/10(52 votes)

    S3:E7

    Johnny and Dukey are transported into their favorite video game, Tiny'Mon, but they end up trapped and must defeat Blast Ketchup, and his Tiny'Mon Kadoomerang, to get back home, with only the seemingly useless Cuddlebuns for protection.

    Director:Larry Jacobs
    Writer:Scott Fellows

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  11. Johnny Test Season 3 Episode 8 - Bath Time for Johnny
    6.2/10(47 votes)

    S3:E8

    Johnny refuses to bathe, and his family forcibly attempts to wash him. Meanwhile, Dukey is mad because he thinks Johnny forgot his birthday.

    Director:Larry Jacobs
    Writer:Mark Fellows

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  12. Johnny Test Season 3 Episode 10 - Johnny Holiday
    6.2/10(51 votes)

    S3:E10

    Johnny is upset because the holidays that give free candy to the world are spread too far apart, so Johnny decides to start his own holiday, known as Kids Get Free Candy Day, and try to spread free candy. When there are some adult protests against this holiday, Johnny, Dukey, Susan, and Mary gain an unlikely ally against this – the Beekeeper.

    Director:Larry Jacobs
    Writer:Scott Fellows

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  13. Johnny Test Season 3 Episode 6 - Johnny Applesauce
    6.0/10(45 votes)

    S3:E6

    After hearing about American heroes in Social Studies class, Johnny decides to help his classmates by bringing back applesauce as a vigilante after the Lunch Lady outlaws it. However, this lands him into trouble.

    Director:Larry Jacobs
    Writer:Adam Beechen

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  14. Johnny Test Season 3 Episode 14 - Johnny Mustache
    0.0/10(0 votes)

    S3:E14

    Johnny has his sisters use an invention that will give him a mustache so that Johnny can get into a movie meant for older people. But when Bling Bling Boy pesters Johnny to use the invention on him, Johnny shoots the invention at him too much and now Eugene looks like the monster from a movie.

    Director:Larry Jacobs
    Writer:Keith Wagner

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  15. Johnny Test Season 3 Episode 15 - Johnny Fu
    0.0/10(0 votes)

    S3:E15

    When Bumper uses kung fu moves to take over the school, Johnny seeks Dukey's kung fu advice, but to no avail.

    Director:Larry Jacobs
    Writer:Mark Fellows

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  16. Johnny Test Season 3 Episode 16 - Johnny Escape From Bling-Bling Island
    0.0/10(0 votes)

    S3:E16

    Bling-Bling Boy steals Susan and Mary's shoes, and it is up to Johnny and a reluctant Dukey to retrieve them before their dinner with Gil.

    Director:Larry Jacobs
    Writer:Scott Fellows

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  17. Johnny Test Season 3 Episode 17 - Johnny's Monkey Business
    0.0/10(0 votes)

    S3:E17

    Susan and Mary need to get Lolo away from Johnny and Dukey for various tests when they try to make a profit out of her in order to get a video game system.

    Director:Larry Jacobs
    Writer:Lazar Saric

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  18. Johnny Test Season 3 Episode 18 - Johnny Bench
    0.0/10(0 votes)

    S3:E18

    Johnny must make a bench for woodshop class or he goes to summer school.

    Director:Larry Jacobs
    Writer:Scott Fellows

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  19. Johnny Test Season 3 Episode 19 - Johnny Long Legs
    0.0/10(0 votes)

    S3:E19

    Doggone doggy adventures result when Susan and Mary fashion a mind-controlling obedience collar to tame Dukey's bad behavior. Then, the girls invent an acne cream.

    Director:Larry Jacobs
    Writer:Spencer Walker

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  20. Johnny Test Season 3 Episode 20 - Johnny Test in Outer Space
    0.0/10(0 votes)

    S3:E20

    While trying to find life on other planets, Johnny meets a leader from the planet Vegandon who attempts to destroy the Earth by sucking out its natural resources.

    Director:Larry Jacobs
    Writer:Scott Fellows

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  21. Johnny Test Season 3 Episode 21 - Johnny Kart Racing
    0.0/10(0 votes)

    S3:E21

    All Johnny and Dukey want is a simple bike race between the two of them; but everyone joins the race.

    Director:Larry Jacobs
    Writer:Scott Fellows

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  22. Johnny Test Season 3 Episode 22 - Johnny Smells Good
    0.0/10(0 votes)

    S3:E22

    Johnny and Dukey test a perfume experiment and now everyone is attracted to them. They use this to their advantage, but it goes out of control.

    Director:Larry Jacobs
    Writer:Peter Johansen

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  23. Johnny Test Season 3 Episode 23 - Return of Johnny'mon
    0.0/10(0 votes)

    S3:E23

    Seeking revenge, Blast Ketchup sucks Hugh into the Tiny'Mon world, trying to suck Johnny in. Thinking he is one of Johnny's Tiny'Mon, he captures him. Johnny, Dukey, Susan, and Mary must stop him. To re-exit the game, they must win another battle with Blast.

    Director:Larry Jacobs
    Writer:Scott Fellows

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  24. Johnny Test Season 3 Episode 24 - Johnny Dukey Doo
    0.0/10(0 votes)

    S3:E24

    When a condemned hotel gets haunted by ghosts Susan and Mary drag Johnny, Dukey and Gil into the house to prove that the ghosts are fake.

    Director:Larry Jacobs
    Writer:Mark Fellows

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  25. Johnny Test Season 3 Episode 25 - Johnny X: A New Beginning
    0.0/10(0 votes)

    S3:E25

    It's time for the Earth Day Carnival and the Johnny Stopping Evil Force 5 (with Zizrar replacing the Beekeeper) returns and obtains the same mutant powers as Johnny X, and Super Dukey.

    Director:Larry Jacobs
    Writer:Scott Fellows

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Season 3 Ratings Summary

"Johnnyitis" is the best rated episode of "Johnny Test" season 3. It scored 7.1/10 based on 54 votes. Directed by Larry Jacobs and written by Scott Fellows, it aired on 10/27/2007. This episode is rated 0.3 points higher than the second-best, "Coming to a Johnny Near You".