NBC has announced its prime-time schedule for the fall of 2013: Monday 8 p.m. - "The Voice" 10 p.m. - "The Blacklist" Tuesday 8 p.m. - "The Biggest Loser" 9 p.m. - "The Voice" 10 p.m. - "Chicago Fire" Wednesday 8 p.m. - "Revolution" 9 p.m. - "Law & Order: SVU" 10 p.m. - "Ironside" Thursday 8 p.m. - "Parks and Recreation" 8:30 p.m. - "Welcome to the Family" 9 p.m. - "Sean Saves the World" 9:30 p.m. - "The Michael J. Fox Show" 10 p.m. - "Parenthood" Friday 8 p.m. - "Dateline NBC" 9 p.m. - "Grimm" 10 p.m. - "Dracula" Saturday - assorted reruns. Sunday 7 p.m. - "Football Night in America"