“Frosty the Snowman” (8 p.m., CBS): The “jolly, happy soul” is back for an

“Frosty the Snowman” (8 p.m., CBS): The “jolly, happy soul” is back for an encore performance tonight and is immediately followed by “Frosty Returns.”
“Christmas With the Mormon Tabernacle Choir” (9 p.m., PBS): This special features highlights from four sold-out concerts performed last December in Salt Lake City. It’s followed at 10 p.m. by “Christmas at St. Olaf,” featuring the renowned choirs and orchestra of St. Olaf College in Northfield, Minn.