Grammy Awards (8 p.m., CBS) - Alicia Keys hosts the 61st annual Grammy Awards show at the Staples Center in Los Angeles. Scheduled performers include Cardi B, Camila Cabello, Dan + Shay, Post Malone, Shawn Mendes, Janelle Monae and Kacey Musgraves. North Carolina has a number of nominees this year, including J. Cole, David Sedaris, Iron & Wine, UNC professor William Ferris and others. (Note: to watch this without cable, you’ll need an antenna (which gets you broadcast networks and some other channels for free) or access to a streaming service like CBS All Access, Hulu, Hulu Live, fuboTV, PlayStation Vue, YouTube TV or DIRECTV NOW.)
Deadly Cults (8 p.m., Oxygen) - This new limited series about cults that kill starts with a double homicide involving two parents and a missing girl that launches a multi-state dragnet, with one of the suspects claiming to be a 500-year-old vampire.
The Zoo (8 p.m., Animal Planet) - In the Season 3 premiere, a marmot prepares for her first classroom visit as an ambassador animal.
Margaret: The Rebel Princess (10 p.m., PBS / UNC-TV) - The first part of this two-part series about Princess Margaret, whose life and loves reflected the social and sexual revolution that transformed the western world during the 20th century.
Some programming descriptions are provided by networks.