The Castro Theatre. Singin' in the Rain: The classic dance movie musical directed by Kelly and Stanley Donen. Wed., Dec. 26. $8.50-$11. Gentlemen Prefer Blondes and King Kong: Thu., Dec. 27. $8.50-$11. North by Northwest and Arabesque: Fri., Dec. 28. $8.50-$11. Lawrence of Arabia: Fiftieth anniversary restoration of the Oscar-winning drama about T.E. Lawrence's adventures ca. WWI. Dec. 29-30. $8.50-$11. Snow White and the Seven Dwarfs: A new restoration. Jan. 1-6, 1:30, 3:45, 6 & 8:15 p.m. $8.50-$11. 429 Castro (at Market), 621-6120, castrotheatre.com.
Dark Room Theater. End of Days: An apocalypse movie starring Arnold Schwarzenegger. Part of Bad Movie Night. Sun., Dec. 30, 8 p.m. $6.99. 2263 Mission (at 18th St.), 401-7987, darkroomsf.com.
Roxie Theater. New Jerusalem: Irish immigrant Sean returns from military service in Afghanistan with his heart and mind in disarray. Through Dec. 27. $6.50-$10. Citadel: A father teams up with a priest to save his daughter from a gang. Through Dec. 27. $6.50-$10. We Are Legion: The Story of the Hacktivists: Reviewed on page 17. Dec. 28-Jan. 3. $6.50-$10. 3117 16th St. (at Valencia), 863-1087, roxie.com.
The Vortex Room. The 27th Day and The Finale Programme: Thu., Dec. 27, 9 p.m. $7. 1082 Howard (at Seventh St.), myspace.com/thevortexroom.