Tuesday`s TV highlights: `Darci Lynne: My Hometown Christmas` on NBC.
(LA Times Dodgers)

SERIES NCIS The team`s holiday plans are put on hold when a murder investigation leads to the discovery of a newborn baby who has no identification and no apparent ties to a family. 8 p.m. CBS Supergirl Supergirl (Melissa Benoist), the Flash (Grant Gustin), Green Arrow (Stephen Amell) and Superman...