Billy Dilley’s Super-Duper Subterranean Summer (television) Animated series on Disney XD, premiering on Jun. 3, 2017. Billy Dilley, an eccentric science-obsessed seventh-grader, and his lab partners, Zeke and Marsha, during summer break get stuck in a bizarre, magical world beneath the earth’s surface. Voices include Aaron Springer (Billy), Tom Kenny (Zeke), Catherine Wayne (Marsha). From Disney Television Animation.