Mayor Dundee, directed by Sam Peckinpah and starring Charlton Heston, Richard Harris and James Coburn. Lowell House, 8, 10:15, April 29. $1.

Rock Around the Clock. Quincy dining hall. 8, 10, April 27-30, $1, .75 for Quincy.

Le Joli Mari by Chris Marker. Winthrop JCR. 7:30, April 27. Free.

Triumph of the Will by Leni Riefenstahl. Harvard-Epworth Church, 7, April 27, $1.

The Godfather. Marlon Brando in the film that doesn't mention the Mafia once. Savoy 1. 10, 1, 4, 7, 10:15.

Cabaret. With Liza Minnelli as show girl and Joel Gray as the M.C. Gary Theatre. 1, 3:15, 5:30, 8, 10:10.

Last Picture Show. Growing up in a dying Texas town by critic-turned-director Peter Bogdanovich. Abbey Cinema II. 1:30, 3:30, 5:30, 7:45, 10.

What's Up, Doc? Bogdanovich again, this time directing Ryan O'Neal and Barbara Streisand. Sack 57, 10:15, 12, 1:45, 3:30, 5:15, 7, 8:45, 10:15. Sundays at 1, 2:45, 4:30, 6:15, 8, 9:45.

Modern Times, with Chaplin. Harvard Square, 3:05, 6:30, 9:55. With Sundays and Cybele, 1:15, 4:40, 8:05.

To Die in Madrid. Brattle Theatre, 6, 9:30. With Throne of Blood, 7:40, weekend at 4:15.

Vixen. Russ Meyer's skin flick. Baker 100. 8, April 27-30. $1.