The Sing-Off (7 p.m., NBC/Ch. 5): The remaining groups perform songs chosen by the judges.
Project Runway All Stars (7 and 11:02 p.m., Lifetime): The designers team up with influential fashion bloggers to identify a new trend for 2014.
College basketball (7 p.m., P12N): Texas State at Utah
20/20 (8 p.m., ABC/Ch. 4): A two-hour look back at 2013.
White Collar (10 p.m., USA): Peter works an unsolved larceny case.