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The Best Episodes of Johnny Test Season 4

Every episode of Johnny Test Season 4 ranked from best to worst. Discover the Best Episodes of Johnny Test Season 4!

Binge this in 4h 35m•Peaking at 6.7/10

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 4 Episode 21 - Johnny Johnny
    6.7/10(35 votes)

    S4:E21

    Johnny and Dukey get framed for stuff that Johnny and Dukey look alike robots (which Mr. Black and Mr. White made) do around Porkbelly.

    Director:Paul Riley
    Writer:Mark Fellows

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  2. Johnny Test Season 4 Episode 22 - Johnny Double Coupons
    6.6/10(35 votes)

    S4:E22

    Johnny keeps attempting to ride down Suicide hill, but Susan and Mary keep redeeming Johnny's coupons.

    Director:Paul Riley
    Writer:Scott Fellows

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  3. Johnny Test Season 4 Episode 26 - Johnny vs. The Mummy
    6.6/10(47 votes)

    S4:E26

    Johnny goes on a trip to the museum and brings the things to life, including a mummy.

    Director:Paul Riley
    Writer:Mark Drop

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  4. Johnny Test Season 4 Episode 4 - Johnny BC
    6.5/10(40 votes)

    S4:E4

    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.

    Director:Paul Riley
    Writer:Scott Fellows

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  5. Johnny Test Season 4 Episode 6 - Johnny on the Spot
    6.5/10(37 votes)

    S4:E6

    Johnny steals a portable black hole, which later creates an early apocalypse.

    Director:Paul Riley
    Writer:Scott Fellows

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  6. Johnny Test Season 4 Episode 16 - Tom and Johnny
    6.5/10(38 votes)

    S4:E16

    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.

    Director:Paul Riley
    Writer:Scott Fellows

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  7. Johnny Test Season 4 Episode 19 - Old School Johnny
    6.5/10(35 votes)

    S4:E19

    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.

    Director:Paul Riley
    Writer:Scott Fellows

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  8. Johnny Test Season 4 Episode 20 - Johnny Degrees Below Zero
    6.5/10(36 votes)

    S4:E20

    Johnny creates a magnetic force field on the Earth which makes Porkbelly the new north pole.

    Director:Paul Riley
    Writer:Keith Wagner

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  9. Johnny Test Season 4 Episode 5 - Runaway Johnny
    6.4/10(40 votes)

    S4:E5

    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.

    Director:Paul Riley
    Writer:Scott Fellows

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  10. Johnny Test Season 4 Episode 8 - No Homework for Johnny
    6.4/10(36 votes)

    S4:E8

    Susan and Mary build Johnny a robot in order to help him do his homework, but the robot ends up stealing things for Johnny.

    Director:Paul Riley
    Writer:Scott Fellows

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  11. Johnny Test Season 4 Episode 2 - Porta Johnny
    6.3/10(38 votes)

    S4:E2

    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.

    Director:Paul Riley
    Writer:Scott Fellows

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  12. Johnny Test Season 4 Episode 3 - Join the Johnny Scouts
    6.3/10(38 votes)

    S4:E3

    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.

    Director:Paul Riley
    Writer:Scott Fellows

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  13. Johnny Test Season 4 Episode 13 - Johnny's Amazing Cookie Company
    6.3/10(36 votes)

    S4:E13

    Susan and Mary make fortune cookies that come true, and Johnny sells them with the typical drastic results.

    Director:Paul Riley
    Writer:Mark Fellows

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  14. Johnny Test Season 4 Episode 24 - The Destruction of Johnny X
    6.3/10(37 votes)

    S4:E24

    Johnny and Dukey decide to remain in super hero mode permanently but find being a superhero is harder than they think.

    Director:Paul Riley
    Writer:Scott Fellows

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  15. Johnny Test Season 4 Episode 7 - Dark Johnny
    6.2/10(36 votes)

    S4:E7

    Johnny joins forces with Dark Vegan to get him back to his home planet.

    Director:Paul Riley
    Writer:Scott Fellows

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  16. Johnny Test Season 4 Episode 18 - Johnny Get Yer Gum
    6.2/10(39 votes)

    S4:E18

    Mr. Whacko invents a new helium gum that lifts kids into the sky, and Johnny must save them.

    Director:Paul Riley
    Writer:Rick Groel

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  17. Johnny Test Season 4 Episode 11 - Dukey Jekyll and Johnny Hyde
    6.1/10(37 votes)

    S4:E11

    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.

    Director:Paul Riley
    Writer:Scott Fellows

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  18. Johnny Test Season 4 Episode 1 - Johnny's New Baby Sisters
    6.0/10(46 votes)

    S4:E1

    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.

    Director:Paul Riley
    Writer:Scott Fellows

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  19. Johnny Test Season 4 Episode 10 - The Johnnyminster Dog Show
    6.0/10(34 votes)

    S4:E10

    Johnny and Dukey try to get in a dog show which only allows perfectly groomed and trained dogs.

    Director:Paul Riley
    Writer:Scott Fellows

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  20. Johnny Test Season 4 Episode 12 - Johnny's Trophy Case
    6.0/10(38 votes)

    S4:E12

    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.

    Director:Paul Riley
    Writer:Scott Fellows

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  21. Johnny Test Season 4 Episode 25 - iJohnny
    6.0/10(34 votes)

    S4:E25

    The twins upgrade Johnny's new cell phone. Later the phone becomes too intelligent and begins hacking government space missiles.

    Director:Paul Riley
    Writer:Scott Fellows

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  22. Johnny Test Season 4 Episode 17 - The Quantum of Johnny
    5.8/10(34 votes)

    S4:E17

    Johnny tries to get invited to a party to stop a villain. NOTE: Susan and Mary don't appear in this episode.

    Director:Paul Riley
    Writer:Scott Fellows

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  23. Johnny Test Season 4 Episode 14 - Johnny's Big Dumb Sisters
    5.7/10(38 votes)

    S4:E14

    The twins' latest invention accidentally makes them dumb thanks to Johnny right before their scholarship interview.

    Director:Paul Riley
    Writer:Lazar Saric

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  24. Johnny Test Season 4 Episode 9 - Papa Johnny
    5.6/10(35 votes)

    S4:E9

    Susan and Mary switch Johnny and Hugh's brains after the two make a bet that involves taking on each other's lives.

    Director:Paul Riley
    Writer:Scott Fellows

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  25. Johnny Test Season 4 Episode 15 - My Johnny Guard
    5.2/10(39 votes)

    S4:E15

    Johnny gets hired to stop Bling-bling from kissing Susan, but Johnny turns on the sisters once Bling-Bling bribes him.

    Director:Paul Riley
    Writer:Brad Birch

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Season 4 Ratings Summary

"Johnny Johnny" is the best rated episode of "Johnny Test" season 4. It scored 6.7/10 based on 35 votes. Directed by Paul Riley and written by Mark Fellows, it aired on 2/4/2010. This episode is rated 0.1 points higher than the second-best, "Johnny Double Coupons".