CSM Theatre Club Presents: A Christmas Show Extravaganza. 2 p.m. and 7 p.m., Dec. 17, La Plata Campus, Fine Arts Center, 8730 Mitchell Road, La Plata. The CSM Theatre Club will present three plays Its Sad So Sad When An Elf Goes Bad, Santa and the Efficiency Expert and The Brownies Who Found Christmas. Tickets $5. Pictures with Santa $3. Tickets available for purchase in advance. BxOffc@csmd.edu, 301-934-7828 or http://www.csmd.edu/Arts.