“Christmas in Washington”
SPECIAL. Conan O’Brien hosts this holiday special from the nation’s capital. The first family will be in attendance, and so will be PSY, Diana Ross and Demi Lovato, who will perform.
Friday, 8 p.m., TNT
“Oddities: Christmas Special”
SPECIAL. The Obscura Antiques and Oddities shop celebrates the holidays a little differently than most — as evidenced by their creepy Secret Santa suggestions to clients.
Saturday, 9 p.m., Science Channel
“The Next Iron Chef: Redemption”
REALITY. The final, single ingredient challenge is holiday-themed. For the chefs’ sake, hopefully the secret ingredient isn’t candy canes.
Season finale, Sunday, 9 p.m., Food Network