The show follows the adventures of Billy Dilley, a 7th grader who loves science, and his lab partners, Zeke and Marsha, who on summer vacation find themselves trapped in a strange world located in the Earth's core....
Overview of the movie
Billy Dilley's Super-Duper Subterranean Summer - Season 1 Key
- Billy Dilley's Super-Duper Subterranean Summer - Season 1 Watch Online Free
- Billy Dilley's Super-Duper Subterranean Summer - Season 1 Online Free
- Billy Dilley's Super-Duper Subterranean Summer - Season 1 Full SUB