Meet some new British ghosts this Christmas

In the grand tradition of British ghost stories for Christmas comes “The Mezzotint,” debuting Friday on the Britbox streaming service. Rory Kinnear stars as university museum curator

Mr. Williams, who receives an engraved picture that appears to show simply a country house at night. But is there a figure in the corner, one that keeps moving, and is there a frightening tale behind it? Well, of course! If you’d like to whet your appetite for the half-hour special adapted by actor-writer Mark Gatiss from a M.R. James short story, Britbox is offering a wealth of similarly chilling U.K. tales from the 1970s and on. — Lynn Elber, AP TV Writer

Also new this week

• “Call the Midwife Holiday Special”: The beloved PBS series celebrates the holiday with Lucille and Cyril planning a Christmas-themed wedding, and Mother Mildred returns after being absent during the 10th season. Airs at 9 a.m. Saturday, Dec. 25 (see local listings). — Nicole M. Robertson

Full list at themorningsun.com/entertainment

PHOTO COURTESY OF BBC/BRITBOX Rory Kinnear stars as university museum curator Mr. Williams, who receives an engraved picture that appears to keep changing in the movie “The Mezzotint.”