ALVIN AND THE CHIPMUNKS (PG) at 12.45, 3.30 and 7 p.m. today and 2 and 5 p.m. tomorrow. – Liberty Theatre

THE GOLDEN COMPASS (PG-13) at 2.30 p.m. today and tomorrow. THIS CHRISTMAS (PG-13) at 7 and 9.30 p.m. today and 7.30 tomorrow. – Neptune Cinema

NATIONAL TREASURE: BOOK OF SECRETS (PG) at 12.30 p.m. today and 3.30, 6.30 and 9.30 p.m. today and tomorrow – Little Theatre