7 p.m.: Airswimming. Michaela Shuchman and Michelle Johnson star inCharlotte Jones' true tale of two Irish women locked up for 50 years for their nonconformist ways. Doris Day gets them through. Walnut Street Theatre Studio 5, 825 Walnut St. 90 minutes. $20. Various times, Sept. 12-17 and 19-24.
9 p.m.: Strange Tenants. Rising Philly star SamanthaTower assembles her ensemble for a Hitchcockian "dance theater psycho thriller" about four friends and a disappearance. Lots of talk about this one. Power Plant Productions Basement, 233 N. Bread St. 90 minutes. $20. Also at 9 p.m. Wednesday through Friday and 7 p.m. Sunday.