Johnny Test is a Canadian–American–British animated series produced by Warner Bros. Animation, Cookie Jar Group (Seasons 1–5), Teletoon, DHX Media (Season 6) and Aardman Animations (All Seasons). The series currently airs in the United States on Cartoon Network on January 7, 2008. The series comes in over 75 countries in 19 languages. The first season of the show was produced by Warner Bros. Animation, Teletoon and later seasons by Cookie Jar Company after Cookie Jar Company was sold to DHX Media. The sixith season was produced by DHX Media and was labeled under Cookie Jar-DHX Media. All Seasons were produced by Aardman Animations in the UK. The series premiered airs at 4:00 p.m. ET/PT time on January 7, 2008 on Cartoon Network in the United States. The series is produced 130 episodes divided in 7 seasons. A Netflix revival of the show was made in 2021.

Plot 
The series revolves around the adventures of the title character, Johnny Test. He is an 11 to 13-year-old suburban boy who lives with his super-genius 13 to 15-year-old twin sisters, Susan and Mary, both of whom are scientists. Johnny is often used as a test subject for his genius twin sisters' inventions and experiments. These range from gadgets to superpowers. Their experiments often cause problems that he must resolve, and he must sometimes fight villains in the process. He occasionally saves the world with his sisters' inventions. Johnny's dog Dukie has been given the ability to speak by his sisters.

Cast

North America
 Johnny Test (voiced by James Arnold Taylor)
 Dukey (voiced by Louis Chirillo in seasons 1–4, and by Trevor Devall in seasons 5–6)
 Susan Test (voiced by Maryke Hendrikse)
 Mary Test (voiced by Brittney Wilson in seasons 1 and 5, and Ashleigh Ball in seasons 2–4 and 6)
 Hugh Test (voiced by Ian James Corlett)
 Lila Test (voiced by Kathleen Barr)
 Gil Nexdor (voiced by Andrew Francis)
 Mr. Black (voiced by Bill Mondy)
 Mr. White (voiced by Scott McNeil)

United Kingdom
 Blake Harrison as Johnny Test
 Rob Rackstraw as Dukey
 Emma Tate as Susan Test
 Sarah Hadland as Mary Test
 John Hasler as Hugh Test
 Maria Darling as Lila Test

Danish Voice Cast
 Johnny Test – Mathias Klenske
 Dukey – Jens Jacob Tychsen
 Hugh Test – Paul Hüttel
 Lila Test – Vibeke Dueholm
 Susan Test – Sasia Mølgaard
 Mary Test – Malene Tabart

Additional Voices
 Sune Svanekier

Episodes

Season 1 (2005–06)

Season 2 (2006–07)

Season 3 (2007–08)

Season 4 (2009–11)
While the first 22 episodes were directed by Paul Riley, "Johnny's Royal Flush / Johnny Test's Day Off", "Johnny and Dark Vegan's Battle Brawl Mania / A Scholarship for Johnny" and "Johnny Boat Racing / Johnny Lock Down" were directed by Larry Jacobs and the final episode "Good Ol' Johnny Test / Johnny X Strikes Back Again!" was directed by John Lei.

Season 5 (2011–12)

Season 6 (2013–14)

References

Channel Links

2000s Canadian television series
2005 American television series debuts
2005 Canadian television series debuts
2014 American television series endings
2010s American television series
2010s Canadian television series
2000s American animated television series
American children's television series
Canadian animated television series
Canadian children's television series
Cartoon Network series
Television series by Cookie Jar Entertainment
Netflix original shows
English-language television programs