Silver Screen Salute
The Ballet Theatre of Maryland performs duets inspired by the MGM musicals of Gene Kelly, Ginger Rogers and Fred Astaire and a Celtic ballet titled "Dawn Songs" in the "Salute to MGM Musicals" program. The show is part of the Performing Arts Series presented by the GFWC Women's Club of St. Mary's County. 8 p.m. Saturday. Great Mills High School, 21130 Great Mills Rd., Great Mills. $20 adults; $15 children 15 and younger. 301-475-3225 or www.balletmaryland.org.
Shiver in the River
In the Shiver in the River, volunteers take a freezing plunge into the Potomac River to raise money for Special Olympics Maryland. This is the first of three events in the Maryland State Police Winter Water Series. Registration begins at noon Saturday. Event starts at 2 p.m. Gilligan's Pier Seafood and Steakhouse, 11535 Popes Creek Rd., Newburg. $50 minimum donation. 410-789-6677, Ext. 117, or www.somd.org.
Christmas at Sotterley
Horse-drawn taxi rides, a visit from Santa Claus, Mrs. Claus's Sweete Shoppe, holiday music, crafts and games are some of the things planned for "A Sotterley Family Christmas." 10 a.m.-4 p.m. Saturday. Sotterley Plantation, 44300 Sotterley Lane, Hollywood. $5. 301-373-2280 or www.sotterley.org.