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Cash on Delivery: Saint Sebastian Players kicks off its 30th season with a comedy about an unemployed man who attempts to swindle the Social Security Administration by claiming benefits for fictitious neighbors.: opens Fri. through Nov. 14; 8 p.m. Fri. - Sat.; 2 p.m. Sun.; 8 p.m. Fri.; $15; $10 for students; presented by Saint Sebastian Players;  St. Bonaventure Church, 1625 W. Diversey Pkwy.; 773-404-7922.

Departure Lounge: A coming-of-age musical in which four not-so-innocent British teens stranded at an airport while heading home from vacation struggle with their friendships as they share conflicting stories about a girl they met on holiday.: opens Thu. through Dec. 12; 8 p.m. Thu. - Fri.; $35-$45; $25-$30 previews through Nov. 6; presented by Bailiwick Chicago;  Royal George Theatre Center, 1641 N. Halsted St.; 312-988-9000.

The Devilish Children and the Civilizing Process:
A horror play by co-founder Jeremy Menekseoglu based on based on cautionary tales by German author Heinrich Hoffmann in which a father abandons a three-year-old off at a school for wayward children where the instructors are a group of sadistic kids gone bad.: opens Thu. through Nov. 21; 8 p.m. Thu. - Fri.; $15-$18;  Dream Theatre, 556 W. 18th St.; 773-552-8616.

First Look Repertory of New Work: The sixth annual program features three developmental productions of new plays by Oppenheimer Award-winner Robert O'Hara ("Insurrection: Holding History"), New York playwright Sam Marks ("The Joke") and local playwright Jason Wells ("Perfect Mendacity," "Men of Tortuga").: opens Wed. through Nov. 14; 8 p.m. ("The Etiquette of Vigilance," by Robert O'Hara) Wed.; 8 p.m. ("The Old Masters," by Sam Marks) Thu.; 8 p.m. ("The North Plan," by Jason Wells) Fri.; $20 per show or $45 for three-play pass; presented by Steppenwolf Theatre Company;  Steppenwolf Theatre Company, 1650 N. Halsted St.; 312-335-1650.

The Four of Us: In this comedy by Itamar Moses ("Bach in Leipzig"), two ambitious, young male writers find their friendship tested when one gains success while the other struggles. Usman Ally ("The Elaborate Entrance of Chad Deity") and Collin Geraghty ("Dental Society Midwinter Meeting") star.: opens Fri. through Dec. 4; 8 p.m. Fri. - Sat.; 2 p.m. Sun.; 7:30 p.m. Tue.; 8 p.m. Thu. - Fri.; $18-$30; $15 previews through Oct. 24; presented by Theater Wit;  Theater Wit, 1229 W. Belmont Ave.; 773-975-8150.

In the Jungle of Cities: In this drama by Bertolt Brecht ("The Threepenny Opera"), set in 1912 Chicago, two wrestlers engage in a fight as the family of one disintegrates under the pressures of moving from the prairie to the city.: opens Fri. through Nov. 20; 7:30 p.m. Fri.; $20; presented by Ka-Tet Theatre Company;  Red Tape Theatre, 621 W. Belmont Ave. St. Peter's Episcopal Church; 800-838-3006.

Lonesome West: In Irish playwright Martin McDonagh's Tony Award-nominated drama, the relationship between two brothers is tested when their father dies in a suspect shooting accident.: opens Thu. through Dec. 19; 7:30 p.m. Thu. - Fri.; $25-$30; $20 for students on Sundays; $20 previews through Oct. 31;  The Gift Theatre, 4802 N. Milwaukee Ave.; 773-283-7071.

My Wife & Baby Mamma: In this drama by local playwright La Savine Givens, two men struggle with issues of fatherhood. One must deal with conflicts between his wife and his daughter's mother; the other searches his heart when confronted with an unexpected discovery.: opens Fri. through Oct. 30; 7 p.m. Fri. - Sat.; $20; presented by Soul Savin Productions;  The Black Box Theater at Kennedy-King College, 740 W. 63rd St.; 773-419-7593.

Stalk:
the Musical: This new musical by local playwright-composer Stephen Gawrit blends surrealism, hyper-realism, folk music and large-scale puppetry to explore a boy's loss of innocence through the classic tale of "Jack and the Beanstalk.": opens Thu. through Nov. 28; 7:30 p.m. Thu. - Fri.; $25; $15 for those under 25 years old;  La Costa Theatre, 3931 N. Elston Ave.; 773-620-8325.

Sugar Daddy:
In this comedy by local playwright Tamara Jackson, a middle-aged man dumps his girlfriend when three flirtatious beauties bring him back to his youth. But things get complicated when his best friend makes a play for the ex-girlfriend.: opens Fri. through Sun.; 7:30 p.m. Fri.; 6:30 p.m. Sat. - Sun.; $12.50-$20; presented by Tsquared Productions Chicago;  Sherman Park, 1301 W. 52nd St.; 312-747-6672.

To Kill a Mockingbird: Hallie Gordon directs Harper Lee's classic tale of race and justice set in Alabama during the Great Depression, in celebration of the story's 50th anniversary.: opens Oct. 15 through Nov. 18; 7:30 p.m. Fri.; 3 p.m., 7:30 p.m. Sat.; 3 p.m. Sun.; 7:30 p.m. Fri.; $20; $15 for students; presented by Steppenwolf for Young Adults;  Steppenwolf Theatre Company, 1650 N. Halsted St.; 312-335-1650.

To Master the Art: A world premiere dramedy examines the lives of the late chef Julia Child and her husband Paul during their residence in France.: opens Tue. through Dec. 19; 8 p.m. Tue. - Fri.; $28-$38; $18-$28 for students; $18 previews through Oct. 29;  TimeLine Theatre, 615 W. Wellington Ave.; 773-281-8463.

The War Plays:
In a new drama by artistic director Emily Schwartz, old flames reignite and new relationships are put to the test as actors and musicians struggle during London's 1940 blitzkrieg.: opens Thu. through Nov. 20; 8 p.m. Thu. - Fri.; $25; presented by The Strange Tree Group;  Athenaeum Theatre, 2936 N. Southport Ave.; 800-982-2787.

The Water Engine:
An American Fable: In this radio play by David Mamet, set in a Chicago radio station during the 1943 Century of Progress Exhibition, an inventor fights the political and American industrial corporation hierarchies as he attempts to patent his energy-saving device.: opens Fri. through Dec. 5; 7:30 p.m. Fri.; $15-$25; $12-$15 previews through Oct. 31; presented by Theatre Seven of Chicago;  Greenhouse Theater Center, 2257 N. Lincoln Ave.; 773-853-3158.