Happiness is a Warm TV

What to Watch on Tuesday: Gwen Stefani’s Christmas special, Amy Sedaris’ tips on romance

“Gwen Stefani’s You Make It Feel Like Christmas” airs on NBC.
“Gwen Stefani’s You Make It Feel Like Christmas” airs on NBC. Paul Drinkwater/NBC

Gwen Stefani’s You Make It Feel Like Christmas (9 p.m., NBC) – Blake Shelton, Chelsea Handler and other guests join Gwen for a night of song (classics and originals), dance and festive skits — with celebrity cameos.

Also on tonight . . .

Finding Your Roots (8 p.m., UNC-TV) – Dr. Henry Louis Gates guides Questlove, Dr. Phil and Charlayne Hunter-Gault through their ancestry.

The Mayor (9:30 p.m., ABC) – Courtney pledges to make Christmas joyous for all, but doesn’t have the budget to make it happen.

Scrooged (8 p.m., AMC) – Bill Murray plays a ruthless TV network chief who meets the ghosts of Christmases past, present and future.

The Long Road Home (10 p.m., National Geographic) – Bourquin struggles to signal helicopters in a desperate last-ditch effort to get located, culminating in a climactic final battle.

At Home with Amy Sedaris (10:30 p.m., truTV) – Amy dedicates her entire show to the difficult craft of romance, which includes tales of romance courtesy of Patty Hogg.