With all the reruns shown between the holidays, viewers are familiar with the concept of leftovers. Here’s a whole show about it: In the culinary competition “Best Leftovers Ever!” (Netflix, streaming), amateur cooks find ways to reuse old dinners in hopes of winning a $10,000 prize. David So and Rosemary Shrager are judges; Jackie Tohn hosts.
The six-episode “Equinox” (Netflix, streaming) is a Danish import about a woman who is haunted by the disappearance of her sister with her classmates 21 years before.
In a strange arrangement, all 10 episodes of the the final season of “The Vikings” (Amazon Prime, streaming) are available today, before they premiere next year on History.
Rachel Brosnahan, Tiffany Haddish, Natasha Leggero, Sarah Silverman and other female comics deliver eulogies to 2020 in the special “Yearly Departed” (Amazon Prime, streaming).
Dean Cain hosts a salute to essential workers during the pandemic, “Heroes on the Front Line” (CW, 8 p.m.).
“The Crimes That Changed Us” (Investigation Discovery, 10 p.m.) ends its season with a look back at the Rodney King case.