Carnal Knowledge. Harvard Square, 2:15, 6, 9:40. With Catch-22. 3:55, 7:40.

Casablanca again. Brattle Theatre. 5:30, 7:30, 9:30. Weekend, 3:30.

Alphaville by Godard. Winthrop House JCR. 7:30, May 4. Free.

On The Waterfront. Directed by Elia Kazan and starring Marlon Brando. Baker 100, HBS. 8, May 4. $1. Tom Jones. 8, 10:15, May 5 and 6. 8, May 7.

Catch-22. Quincy House dining hall. 8, 10:15, May 5-7. $1.

Japanese Film Series Punishment Island. From the director of Double Suicide and Buraikan. Emerson 210. 8, 10, May 5. $1.

Sex in the Underground Cinema. First of four showings, one each Sunday in May. Carpenter Center. 8, 10, May 7. $4 for the series.

Wind in the Willows, Legend of Sleepy Hollow, and Peter and the Wolf. All from Disney. Lehman Hall. 8, 10, May 5 and 6. $1. (Free to Dudley House Film members).

Fritz the Cat. World's first X-rated feature-length cartoon. Abbey Cinema I, across from B.U. 1:15, 2:45, 4:20, 5:50, 7:25, 9, 10:35, 12, Friday. 1, 2:30, 4, 5:30, 7, 8:30, 10, Daily.

Bangla-Desh. Charles Theater. 2, 4, 6, 8, 10.