Question: Which series worked on by Aaron Springer ran from June 15, 2012 to February 15, 2016?
Sentence (from "Billy Dilley's Super-Duper Subterranean Summer"): Billy Dilley's Super-Duper Subterranean Summer (also known as Billy Dilley) is an American animated television series 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.
Relevant evidence: Yes