As we start Christmas week, we’re looking at a very different TV schedule to normal. That doesn’t mean there’s nothing on. It’s just harder to keep track this week. Here’s a look at everything on TV tonight, Monday, Dec. 23.

Just because we’re in the off schedule doesn’t mean we’ll stop bringing you a look at everything airing throughout the primetime slots of 8 p.m. and 11 p.m. Et/Pt. After all, you’ll want to know what you can tune into each night if you don’t have other plans with the family or with friends.

NCIS reruns, Saturday Night Live Christmas special rerun, and more

If you’re in the mood for something Christmasy, NBC is the network to turn to. It all starts with a reshowing of Christmas at Graceland, which sees artists perform some of Elvis Prestley’s biggest...