The Roxy Theatre will show “The Muppet Christmas Carol” (Rated G) Friday, Dec. 4, 6 p.m. The Muppets put their spin on the tale of an elder, Christmas-hating miser who is visited by spirits who foretell his future and share secrets from his past and present, which helps change his view on life. Tickets are $5 for children age 12 and younger, and $8 for age 13 and older.