:

The Four Man Plan: A Romantic Science, through September 30, no performances Labor Day weekend, Ruskin Group Theatre, Santa Monica Airport, 3000 Airport Dr. Performances at  8pm Fridays and Saturdays, $20, 310.397.3244 or www.ruskingrouptheatre.com.

Mark and Barbara Frog, a musical that combines songs, science and sex, show begins at sunset, Venice Mootney Cabaret Theatre, 2508 S. Stoner Ave., WLA, 310.478.7379 or www.mootney.org.

The Buddy Holly Story, a musical in celebration of Holly’s 70th birthday, through October 8, 8pm Fridays and Saturdays/2pm Sundays, Pierson Playhouse, 941 Temescal Canyon Rd., PP, 310.454.1970 or www.theatrepalisades.org.

Much Adoobie Brothers About Nothing, the Troubadour Theatre’s musical Shakespeare spoof, through September 10, Miles Memorial Playhouse, 1130 Lincoln Blvd., 310.979.7196. 

Omnium Gatherum, a play about a post-9/11 dinner party, through October 7, The Will Geer Theatricum Botanicum, 1419 N. Topanga Canyon Blvd., 310.455.3723 or www.theatricum.com.

Twelfth Night, through September 30, The Will Geer Theatricum Botanicum, 1419 N. Topanga Canyon Blvd., 310.455.3723 or www.theatricum.com.

The 60’s, a play about the decade and a couple who met in that decade and have now reached that age, 8pm Thursdays-Saturdays/3pm Sundays, through September 17, Pacific Resident Theatre Main Stage, 707 Venice Blvd., 323.460.2508.

Twelfth Night, through September 30, The Will Geer Theatricum Botanicum, 1419 N. Topanga Canyon Blvd., 310.455.3723 or www.theatricum.com.