The Librarians (8 p.m., TNT) – A Librarian from the past teams up with the Librarians of the present to take down an ancient and powerful enemy let loose in modern day.
Carol Burnett 50th Anniversary Special (8 p.m., CBS) – If you missed this when it aired a couple weeks ago, here’s your do-over.
Dolly Parton’s Christmas of Many Colors: Circle of Love (9 p.m., NBC) – This 2016 movie finds the young Dolly Parton and family facing an unexpected blizzard that threatens the whole family.
Vikings (9 p.m., History) – Lagertha is betrayed, and Bjorn must find a way to support the distraught queen.
NOVA (9 p.m., UNC-TV) – Scientists investigate the day the dinosaurs died 66 million years ago.