Johnny Test - Season 5 Episode 38 Extra Credit Johnny
Johnny must do some extra credit for school, or he will fail the course and have to make it up in summer school.
- Genre: Animation, Comedy, Kids
- Studio: Cartoon Network, Teletoon
- Keyword: dog, scientists, adventure
- Cast: James Arnold Taylor, Maryke Hendrikse, Ashleigh Ball, Lee Tockar, Ian James Corlett, Trevor Devall