Even as New York shut down 10 productions over the weekend due to a rise in Covid, the documentary “Reopening Night” (HBO, 10 p.m.) chronicles the planning running up to the opening of “Merry Wives’ in the New York Public Theater production for Shakespeare in the Park earlier this year. 

“Dynasty” (CW, 8 p.m.) returns for its fifth season with a pair of episodes on a special night. Are we supposed to be guessing who shot Fallon? 

The short stories of M.R. James are largely the basis of “A Ghost Story for Christmas” (BritBox, streaming), a series that ran from 1971 to 1978 and sporadically since 2005. 

A special holiday episode, “Agatha Raisin: Kissing Christmas Goodbye” (AcornTV, streaming) precedes the mystery season’s fourth season start.  

“The Secrets of Christmas: Revealed” (Fox, 8 p.m.) looks at how Santa does his impossible task. 

After a political loss, a woman returns to her hometown where she runs into a high school rival to whom she eventually warms in the made-for-TV romance “Candy Cane Candidate” (Lifetime, 8 p.m.) with Jackey Lai and Jake Epstein. 

Also on tonight, a holiday film about a Harlem rapper who beat drug addictions. “Miracles Across 125th Street” (VH1, 9 p.m.) stars Nick Cannon, Lil Kim and Chrisette Michele. 

The holiday Christmas concert from the Nashville university are the basis of the special “Christmas of Belmont” (PBS, 9 p.m.). Josh Turner joins in.