Loews Janus. 57 JFK St., near Harvard Square. 661-3737. Bob Roberts at 12, 2:30, 5, 7:30 and 10 p.m.

Loews Nickelodeon. 606 Commonwealth Ave., Kenmore Square. 424-1500. Laws of Gravity at 1:10, 3:10, 5:20, 7:30 and 9:50 p.m. and 12 a.m. A Brief History of Time at 1, 3, 5, 7, 9 and 11 p.m. Light Sleeper at 1, 3:05, 5:10, 7:20, 9:30 and 11:45 p.m. Bladerunner at 1, 3:15, 5:30, 7:55 and 10:15 p.m. and 12:10 a.m. Bob Roberts at 1:15, 3:20, 5:25, 7:40 and 9:55 p.m. and 12 a.m.

Theatre

Ain't Misbehavin'. Through Nov. 1. 15th anniversary revival of the Tony-winning musical round-up of Fats Waller's greatest hits. Charles Playhouse, 74 Warrenton St., Boston. Tuesday, Wednesday, and Friday at 8 p.m. Thursday and Saturday at 2 and 8 p.m. Sunday at 2 p.m. $25-$28. Call 426-6912 for more information.

Away Alone. Contemporary play that focuses on the lives of a group of young Irish people as they come to grips with the challenges of immigrant life in New York. Boston Center for the Arts, 539 Tremont St., Boston. Thursday, Oct. 1 through Saturday, Oct. 3 at 8 p.m. $12. Call 646-5983 for more information.

Blackout. Through Oct. 31. Area premiere of Gary Lennon's story of an Alcoholics Anonymous meeting, First Parish Church, Harvard Square. $15. Call 547-2302 for more information.

Fall Festival of One-Act Plays. Accompanist for a Seduction, The Man Behind the Moose and Fast Food on Friday, Oct. 2 at 8 p.m. Taking Five, Ten Minutes and Deliver the Blow on Saturday, Oct. 3 at 8 p.m. Cambridge Center for Adult Education, 56 Brattle St., Harvard Square. $8. Call 547-6789 for more information.

Street Show. Interdisciplinary performance presented as part of Ways To See: New Art Forms in Massachusetts, Institute of Contemporary Art, 955 Boylston St., Boston. Thursday, Oct. 1, 8 p.m. $4 for ICA members and students; $5 for general admission. Call 266-5152 for more information.