Undercover Boss is still a decent performer for CBS as far as unscripted series go.
CBS: Undercover Boss (5.6 million/1.1 rating) was down double digits vs last year's opener, but up considerably from last season's finale. Code Black (5.9 million/0.9 rating) was in line with recent weeks.
NBC: Elf: Buddy's Christmas Music (3 million/0.8 rating) was a special, while encores of Law & Order: SVU (3.3 million/0.7 rating) and Chicago PD (3.5 million/0.7 rating) filled the rest of the night.
ABC: It was encores of The Goldbergs (4.2 million/1.0 rating), American Housewife (3.4 million/0.9 rating), Modern Family (4 million/0.9 rating) and The Real O'Neals (3 million/0.8 rating), followed by Game Changers With Robin Roberts (2.7 million/0.6 rating).
Fox: It was encores of Lethal Weapon (3.8 million/0.8 rating) and Star (2.6 million/0.7 rating).
The CW: Terry Crews Saves Christmas (0.8 million/0.3 rating) was new, while Arrow (0.6 million/0.2 rating) was an encore.
Paul Dailly is a staff writer for TV Fanatic. Follow him on Twitter.