1) Football, 8 p.m. ET, ABC. It’s time for the conference championship games – two tonight and then eight packed into a busy Saturday. ABC has the big one, with the Oregon Ducks (10-2; their fan section is shown here) and Utah (9-3) colliding for the Pac-12 title. And at 7 p.m. ET, the CBS Sports Network has the Conference USA game: The University of Texas at San Antonio – which was undefeated until its loss Saturday – hosts Western Kentucky, which has won seven straight, after starting the season at 1-4.
2) “Christmas Again?” 8 p.m., Disney Channel. Ro, 11, is having a crummy Christmas, what with her parents’ divorce. She wishes she could have the day over … an overachieves. Now she has Christmas, over and over. It’s a big role for Scarlett Estevez, who will turn 14 on Saturday, She co-starred in the “Daddy’s Home” movies and was the detective’s daughter in “Lucifer”; now she has the central role.
3) More holiday movies. “A Christmas Dance Reunion” (8 p.m., Lifetime) lets Corbin Bleu briefly show his great dance moves, alongside Monique Coleman (his “High School Musical” colleague) and Sasha Clements (his real-life wife, playing a perky TV reporter). The story, however, is bland and predictable. You could try “Eight Gifts of Hannukkah,” at 8 p.m. on Hallmark. Or re-watch the “Santa Clause” movies, at 7:15 (1994) and 9:25 p.m. (2002) on Freeform.
4) “S.W.A.T.,” 8 p.m., CBS. A no-rerun night of crime shows starts with Hondo finally returning as the team leader … and instantly facing a job that involves the Russian mob and a pile of cash. Also, his dad tells him about a painful time in the past. “Magnum P.I.” and “Blue Bloods” follow at 9 and 10.
5) Streaming: Netflix has “Harlem,” a 10-episode comedy starring Megan Good; it also has the final five episodes of the Spanish-language “Money Heist.” Meanwhile, “Alex Rider” – a teen-aged British spy – is back for its second season on IMDB TV. Earlier this week, Netflix launched the third and final “Lost in Space” season and a same-sex Christmas romance, “Single All the Way.” And Roku launched “Zoey’s Extraordinary Christmas,” extending a delightful show that was canceled by NBC.