It may be time to light the lights. ABC is filming a proof of concept for a revival of The Muppets, The Hollywood Reporter has learned. The Big Bang Theory co-creator Bill Prady is co-writing the script for a pilot presentation that sources say could be unspooled at May's upfront presentation to Madison Avenue advertisers. Sources tell THR that the project, if all goes well, could go straight to series. Bob Kushell (Anger Management, 3rd Rock From the Sun) will also co-write and is attached to serve as showrunner, with Wilfred's Randall Einhorn attached to exec produce and direct the...