Billy Dilley's Super-Duper Subterranean Summer is an American animated television miniseries that premiered on Disney XD in June 3, 2017. It is created and executive produced by Aaron Springer, an animation veteran whose extensive credits include working on Dexter's Laboratory, SpongeBob SquarePants, Samurai Jack, The Grim Adventures of Billy & Mandy, Gravity Falls, Wander Over Yonder, and the current run of Mickey Mouse shorts. Springer was also behind the Adult Swim pilot Korgoth of Barbaria.
The show follows the adventures of Billy Dilley (Aaron Springer), 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.
Cast and characters
The show was first announced in 2014 as a potential pilot. In March 2016, it was confirmed that Disney XD has greenlit the show for a full series.
In 2015, Merriwether Williams was confirmed in a Twitter post by Vincent Waller as one of the show's writers, whilst character designer Robertryan Cory announced on his Facebook page he has been working on the series for over a year before the pickup was officially sealed.
- Jessica McKenna was originally going to voice the character Billy Dilley, but was replaced by creator Aaron Springer for unknown reasons.
- Ashley Johnson was originally going to voice Judy, but she was replaced by Sarah-Nicole Robles also for unknown reasons.
- This is the third miniseries to be aired on Disney XD.
v - e - d
| Billy Dilley's Super-Duper Subterranean Summer
| Billy Dilley • Zeke • Marsha • Anaximander • Count Raymond Wretcher • Judy