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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!

The Best Episodes of Johnny Test 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...
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Episode Rankings

  1. #1 Fan Favorite
    Johnny Test Season 4 Episode 1 - Johnny's New Baby Sisters
    5.7/10(41 votes)

    #1 - Johnny's New Baby Sisters

    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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  2. Johnny Test Season 4 Episode 2 - Porta Johnny
    6.0/10(36 votes)

    #2 - Porta Johnny

    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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  3. Johnny Test Season 4 Episode 3 - Join the Johnny Scouts
    6.0/10(35 votes)

    #3 - Join the Johnny Scouts

    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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  4. Johnny Test Season 4 Episode 4 - Johnny BC
    6.2/10(37 votes)

    #4 - Johnny BC

    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 5 - Runaway Johnny
    6.1/10(37 votes)

    #5 - Runaway Johnny

    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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  6. Johnny Test Season 4 Episode 6 - Johnny on the Spot
    6.2/10(34 votes)

    #6 - Johnny on the Spot

    S4:E6

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

    Director:Paul Riley
    Writer:Scott Fellows

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  7. Johnny Test Season 4 Episode 7 - Dark Johnny
    5.9/10(33 votes)

    #7 - Dark Johnny

    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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  8. Johnny Test Season 4 Episode 8 - No Homework for Johnny
    6.2/10(31 votes)

    #8 - No Homework for Johnny

    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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  9. Johnny Test Season 4 Episode 9 - Papa Johnny
    5.3/10(30 votes)

    #9 - Papa Johnny

    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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  10. Johnny Test Season 4 Episode 10 - The Johnnyminster Dog Show
    5.7/10(31 votes)

    #10 - The Johnnyminster Dog Show

    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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  11. Johnny Test Season 4 Episode 11 - Dukey Jekyll and Johnny Hyde
    5.8/10(33 votes)

    #11 - Dukey Jekyll and Johnny Hyde

    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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  12. Johnny Test Season 4 Episode 12 - Johnny's Trophy Case
    6.1/10(32 votes)

    #12 - Johnny's Trophy Case

    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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  13. Johnny Test Season 4 Episode 13 - Johnny's Amazing Cookie Company
    6.1/10(31 votes)

    #13 - Johnny's Amazing Cookie Company

    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 14 - Johnny's Big Dumb Sisters
    5.4/10(32 votes)

    #14 - Johnny's Big Dumb Sisters

    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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  15. Johnny Test Season 4 Episode 15 - My Johnny Guard
    5.0/10(35 votes)

    #15 - My Johnny Guard

    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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  16. Johnny Test Season 4 Episode 16 - Tom and Johnny
    6.2/10(34 votes)

    #16 - Tom and Johnny

    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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  17. Johnny Test Season 4 Episode 17 - The Quantum of Johnny
    5.5/10(30 votes)

    #17 - The Quantum of Johnny

    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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  18. Johnny Test Season 4 Episode 18 - Johnny Get Yer Gum
    5.8/10(35 votes)

    #18 - Johnny Get Yer Gum

    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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  19. Johnny Test Season 4 Episode 19 - Old School Johnny
    6.1/10(31 votes)

    #19 - Old School Johnny

    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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  20. Johnny Test Season 4 Episode 20 - Johnny Degrees Below Zero
    6.1/10(32 votes)

    #20 - Johnny Degrees Below Zero

    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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  21. Johnny Test Season 4 Episode 21 - Johnny Johnny
    6.3/10(32 votes)

    #21 - Johnny Johnny

    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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  22. Johnny Test Season 4 Episode 22 - Johnny Double Coupons
    6.2/10(32 votes)

    #22 - Johnny Double Coupons

    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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  23. Johnny Test Season 4 Episode 23 - X-Ray Johnny
    4.7/10(50 votes)

    #23 - X-Ray Johnny

    S4:E23

    Johnny gets X-Ray goggles.

    Director:Paul Riley
    Writer:Ron Holsey

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  24. Johnny Test Season 4 Episode 24 - The Destruction of Johnny X
    6.0/10(34 votes)

    #24 - The Destruction of Johnny X

    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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  25. Johnny Test Season 4 Episode 25 - iJohnny
    5.7/10(31 votes)

    #25 - iJohnny

    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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Season 4 Ratings Summary

"Johnny's New Baby Sisters" is the best rated episode of "Johnny Test" season 4. It scored 5.7/10 based on 41 votes. Directed by Paul Riley and written by Scott Fellows, it aired on 11/9/2009. This episode is rated 0.3 points higher than the second-best, "Porta Johnny".