Court of public opinion

If you were transfixed by HBO's "The Jinx" and the podcast "Serial," you'll be instantly hooked by "Making a Murderer," the latest entry in the true-crime genre that follows a Wisconsin man who may — or may not be — guilty of a heinous crime. No one in the jaded system gets off the hook, including the media, which are seen in this 10-part documentary as being more interested in ratings than justice. Now streaming on Netflix

Make it happen

Mariah Carey occupied the director's chair for "Mariah Carey's Merriest Christmas," which means mentions of "Glitter" by anyone on the set were strictly forbidden. Instead, the focus is on celebrity drop-ins, including Kelsey Grammer, who offers a reading of "The Night Before Christmas." 9 p.m. Saturday, Hallmark Channel

Color her impressed

"Oprah Goes to Broadway: The Color Purple" finds Oprah Winfrey checking out the revival of the musical she helped bring to the stage with reflections from cast members of the Oscar-nominated movie. The special is immediately followed by footage of Winfrey desperately trying to score tickets to "Hamilton." 9 p.m. Saturday, OWN

Neal Justin