Steven Spielberg and Stephen King are joining forces, Variety reports. DreamWorks TV has optioned King’s new supernatural thriller Under the Dome and is eyeing an adaptation as an event series, most likely for cable TV. DreamWorks’ Stacey Snider and Spielberg will executive produce with King, as well as DreamWorks TV heads Darryl Frank and Justin Falvey. The story is about a small town in Maine whose citizens are trapped by an invisible force field. DreamWorks is starting talks with writers for the project.