ONE-WOMAN SHOW Actress and playwright Karen Eterovich presents one performance of her play,”Jane Austen.” This one-woman play highlights the both the personal life and professional life of the novelist. Tonight, 5:30 p.m. cocktails, 6:30 p.m. dinner, 8 p.m. performance, the Players Club, 16 Gramercy Park South, 20th Street between Park Avenue South and Third Avenue, 212-475-6116, $50 general, $40 members.

ON THE SPOT Slam Theater invites artists and audiences to participate in an evening of theater with impromptu performances and some friendly competition. Emerging playwrights and actors are called out of a hat to perform fresh scripts, unrehearsed and in front of the judges who will be scoring them. Tonight, 7 p.m.,Tuesday, April 18, 10 p.m., the 45th Street Theater, 354 W. 45th St., between Eighth and Ninth avenues, 212-563-6269, $5 suggested donation.

EXTRA PROTECTION “The Amulet,” a 100-year-old play adapted for the first time in English from the original Yiddish, follows the adventures of a girl trapped in a fan tasy world where people wear amulets for protection, waiting passively for future happiness. Hanna Cheek stars. Thursday through Saturday, May 6, 8 p.m., 78th Street Theatre Lab, 236 W. 78th St. at Broadway, 212-868-4444, $18.

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