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.
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Some programming descriptions are provided by networks.