NBC said it plans to air a live episode of its New York-set sitcom \"30 Rock,\" starring Alec Baldwin and Tina Fey. The episode is to air April 26. The show\'s first live episode aired Oct. 14, 2010. Beth McCarthy-Miller, who directed that episode, will return to direct the new live episode, NBC said. Once again, two versions of the same story will be telecast -- one live for East Coast viewers and a second for the West Coast, the network said.