Complex sentence: The series was based on an idea of Steven Spielberg's, under his DreamWorks Television label, who is executive producer along with writers Darryl Frank, Justin Falvey, Eduardo Peixoto, director Craig Zisk, and showrunners Cody and Jill Soloway.
Split into simpler sentences: The series was based on an idea of Steven Spielberg's who is executive producer, under his DreamWorks Television label. Other executive producers include writers Darryl Frank, Justin Falvey, Eduardo Peixoto, director Craig Zisk, and showrunners Cody and Jill Soloway.