The "Very Merry Holiday Sing-Along Spectacular," featuring clips from holiday TV shows, movies and music videos, takes place at 7 p.m., Saturday, Dec. 15; $8, $6 member and child younger than 12, half-price with donation of an unwrapped toy. Prizes are given for the most over-the-top Christmas garb. The ballet Giselle
, performed in the historic Mariinsky Theatre in St. Petersburg, is presented in 3D at noon, Sunday, Dec. 16; $10, $6 member. Visit loftcinema.com
for a complete list of forthcoming films and to reserve tickets.