Christmas Made to Order (8 p.m., Hallmark) - An architect turns to a holiday coordinator for help when he learns he’s hosting his family for Christmas. Her Christmas spirit brings his family closer together, and the two form an even closer bond. It stars Jonathan Bennett and Alexa PenaVega.
The Simpsons (8 p.m., Fox) - Fox airs the very first full-length “Simpsons” episode, “Simpsons Roasting on an Open Fire,” from 1989. In the Christmas episode, Homer tries to earn extra money to buy Christmas presents for his family, but everything goes wrong.
The Year: 2018 (9 p.m., ABC) - ABC takes a look back at historic and memorable moments from 2018, with interviews with personalities of the year.
Gingerbread Giants 2 (9 p.m., Food) - Five gingerbread artists from across the country convene at the Omni Grove Park Inn in Asheville for the 25th annual National Gingerbread House Competition.
Marilyn Monroe For Sale (9 p.m., Smithsonian Channel) - This documentary tells the story of movie star and sex symbol Marilyn Monroe through some of her clothing and possessions that have sold through auction, including the dress she wore while serenading President John F. Kennedy for his birthday.
Deadly Legacy (10 p.m., Investigation Discovery) - In the final part of this 3-part series, Sgt. Jason Moran tries to determine if the missing 16-year-old Jimmy Haakenson of Minnesota was a victim of serial killer John Wayne Gacy.