With Season 3 of Deadwood set to unspool in June, HBO is said to be on the cusp of green-lighting a fourth season of the gritty Western drama series. At the same time, Curb Your Enthusiasm fans who came away from the December season finale feeling it was a series finale may not be off base. "There's a chance it might be done," Curb's Cheryl Hines reveals in her TVGuide.com Insider Q&A, noting that it's all in the hands of series creator-star Larry David. "We're waiting to see what's going to happen."