Time to flick on the switch on “Christmas in Rockefeller Center” (NBC, 8 p.m.). The 82nd tree-lighting ceremony features an 85-foot, 90-year-old Norway spruce donated from Pennsylvania.
The “Today” crew of Matt Lauer, Al Roker, Savannah Guthrie and Natalie Morales host the event that also features performances by Lady Gaga and Tony Bennett, Cyndi Lauper, Seth MacFarlane, Sara Bareilles, Idina Menzel, Pentatonix, LeAnn Rimes, Mariah Carey, Prince Royce, Darius Rucker, Trisha Yearwood and the Rockettes.
Neil Armstrong didn’t have much to say when he took the first steps on the moon. We may learn more about him on a two hour special about his life on “Nova” (PBS, 9 p.m., check local listings) titled “First Man on the Moon.”
Ever wonder what happened to the guy behind the terrible song “Rico Suave”? Me neither. But here’s a reality show about the life of Gerardo, now a pastor and family man, “Suave Says” (VH1, 10 p.m.).
The new reality competition “Barmageddon” (truTV, 10 p.m.) has bar owners run the other’s businesses.
The main problem of the annual “Saturday Night Live Christmas” (NBC, 9 p.m.) is that it’s usually two hours of the same sketches every year.
A two hour “Survivor” (CBS, 8 p.m.) suggests at least a couple of people evicted.
It’s the week for Restaurant Wars on “Top Chef” (Bravo, 10 p.m.) and the seven remaining chefs have to make amuse-bouces on “Hell’s Kitchen” (Fox, 8 p.m.).
People think Alex has a fake boyfriend on “Modern Family” (ABC, 9 p.m.).
It hasn’t been a good time lately for the Greeks — but that’s just the fraternity systems on campuses. The new “Growing Up Greek” (MTV, 11 p.m.) is about young Greek Americans in Florida, hoping for the kind of success they once had with Italians in Jersey.
Jenny Slate visits Barcelona on a new episode of “The Getaway” (Esquire, 9 p.m.).
Freaks are disappearing on “American Horror Story: Freak Show” (FX, 10 p.m.).
Rayna hosts her own Christmas special with the kids at home in “Nashville” (ABC, 10 p.m.).
It’s all about birds on “Nature” (PBS, 8 p.m., check local listings).
Tuesday’s crossover episode on “The Flash” concludes on “Arrow” (The CW, 8 p.m.).
Perfect for a winter night: Ingmar Bergman all night on Turner Classic Movies: “Smiles of a Summer Night” (8 p.m.), “Wild Strawberries” (10 p.m.), “The Seventh Seal” (11:45 p.m.), “Through a Glass Darkly” (1:30 a.m.), “Winter Light” (3:15 a.m.) and “The Silence” (4:45 a.m.).
College hoops tonight include Temple at Saint Joseph’s (CBS Sports, 6:30 p.m.), Virginia Tech at Penn State (ESPNU, 7:15 p.m.), Michigan State at Notre Dame (ESPN2, 7:15 p.m.), Iowa at North Carolina (ESPN, 7:30 p.m.), Villanova at La Salle (CBS Sports, 8:30 p.m.), Virginia at Maryland (ESPN2, 9:15 p.m.), Georgia Tech at Northwestern (ESPNU, 9:15 p.m.), Duke at Wisconsin (ESPN, 9:30 p.m.) and Wichita State at Utah (ESPN2, 11:15 p.m.).
NHL action has St. Louis at Chicago (NBC Sports, 8 p.m.); in basketball, Chicago at Charlotte (NBA, 7 p.m.).
Daytime Talk
Kelly & Michael: Meryl Streep, Laura Dern, Lawrence Zarian. The View: Seth Macfarlane, Nene Leakes. The Talk: Alyssa Milano, Lisa Ingrassia, Gavin DeGraw. Ellen DeGeneres: Eva Mendes, Tony Robbins. Wendy Williams: Cedric the Entertainer. Meredith Vieira: Kristin Chenoweth. Queen Latifah: Mark Cuban, Toni Braxton (rerun).
Late Talk
David Letterman: Taylor Swift, Tom Mison (rerun). Jimmy Fallon: Angelina Jolie, Jack O’Connell, Nick Offerman, Yusuf. Jimmy Kimmel: Sofia Vergara. Seth Meyers: Eva Longoria, Rob Riggle, Hozier (rerun). Craig Ferguson: Don Cheadle, Mary McCormack. Carson Daly: Dan Gilroy, Broods, Grant Cotter (rerun). Tavis Smiley: Nicholas Kristof. Jon Stewart: Dave Grohl. Stephen Colbert: Christopher Nolan. Conan O’Brien: Joseph Gordon-Levitt, Billy Eichner, the Decemberists.