Ep 1. Johnny to the Center of the Earth / Johnny X

Johnny to the Center of the Earth / Johnny X is the first episode of the first season of the animated television series Johnny Test. The show initially aired on September 17, 2005, and has since garnered widespread popularity among children and families.

In Johnny to the Center of the Earth, Johnny is given the task of bringing a rock down to the basement by his father as part of a school project. However, Johnny soon grows disillusioned with the task and decides to make use of his sister's underground drilling machine to reach the center of the Earth instead. Along with his trusty pet dog, he sets out on an adventure filled with unexpected obstacles and dangers, all while trying to avoid getting grounded by his parents.

Meanwhile, in Johnny X, Johnny's sisters use their scientific expertise to turn Johnny into a superhero with special powers. Initially excited by his newfound abilities, Johnny soon realizes that he cannot control his powers and starts wreaking havoc around his town. With the help of his sisters, Johnny learns to harness his powers to become a true hero and save the day from the evil villains that threaten their world.

Throughout both episodes, Johnny Test combines science fiction, comedy, and action to create a unique viewing experience. The show's use of bold, bright colors and rapidly animated cutscenes adds to its energetic and dynamic feel, while the creative use of scientific concepts and humor make it a popular favorite among both children and adults.

The voice actors for Johnny Test include James Arnold Taylor as Johnny, Maryke Hendrikse as Susan Test, Lee Tockar as Dukey, and Ashleigh Ball as Mary Test. The show was created by Scott Fellows, who also worked on other popular animated series such as The Fairly OddParents and Big Time Rush.

Overall, the first episode of Johnny Test's first season is an exciting and action-packed introduction to the series as a whole. With two thrilling and entertaining storylines, it is sure to capture the attention and imagination of viewers young and old alike.