The show follows the adventures of Billy Dilley (Jessica McKenna), a 7th grader who loves science, and his lab partners, Zeke (Tom Kenny) and Marsha (Catie Wayne), who on summer vacation find themselves trapped in a strange world located in the Earth's core.
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Billy Dilley’s Super-Duper Subterranean Summer Season 1 was released on Disney XD 321d ago in the US.
June 3, 2017Confirmed