With ghosts drifting down hallways, skeletons rattling behind doors and a demon trapped inside the body of a boy from the 1700s, “Haunted Hotel” is a classic horror series — but with an animated twist.

Aptly released on Veterans Day this year, “The Liberator” is a visually unique tale of the courage and heroism of U.S. Lt. Col. Felix Sparks and the 157th Infantry Regiment during World War II. The...