1) “Survivor” finale, 8-10 p.m., CBS. Four people have a shot at being the 47th million-dollar winner. “Teeny” Chirichillo, a free-lance writer, and Sam Phalen, a sports reporter, are 24. Rachel Lamont, 34, a graphic designer. Sue Smey, who owns a flight school, is 59; shee’s shown here (left) last week with Chirichillo (right) and Genevieve Mushaluk, who was ousted.
2) “The Masked Singer” finale, 8 p.m., Fox. Last week, the show unmasked AJ Michalka, an actress (Barry’s sometimes-fiance in “The Goldbergs”) and singer (the Aly & AJ duo with her sister). Other pro singers – Jana Kramer, Paula Cole, Natalie Imbruglia – have been ousted. Still around are Wasp and the Buffalos trio. The “Floor” finale follows at 9.
3) “iHeartRadio Jingle Ball,” 8-10 p.m., ABC. Christmas music gets a-pop feeling. Performers include Katy Perry, Teddy Swims, Meghan Trainor, Tate McRae, Madison Beer, Benson Boone, Twenty One Pilots and The Kid Laroi.
4) More Christmas. “Saturday Night Live Christmas,” spanning 49-plus years, is 9-11 p.m. on NBC, preceded by a rerun of “Jimmy Fallon’s Holiday Seasoning Spectacular.” Also, AMC has “Christmas Vacation” at 8 p.m. and “Elf” at 10:15;.Freeform has”Santa Clause” films at 4:30, 6:30 and 8:55.
5) ALSO: Two key documentaries air. “George Stevens: A Filmmaker’s Journey” (6 p.m. ET, Turner Classic Movies) profiles a man who made epics (“Giant,” “Shane”) and classic World War II footage. “Nova” shows efforts to preserve and identify bodies and statues below the Notre Dame in Paris.