NBC will extend Steve Carell’s final episode of The Office to 50 minutes. The farewell episode will air on April 28 from 9-9:50 PM. The Office's lead-out, Parks and Recreation, also will air a supersized episode, from 9:50-10:30 PM. 30 Rock will close out the night for NBC from 10:30-11 PM, with freshman Outsourced being preempted.