In search of cultural artifacts, intrepid explorers Fanny, Alexand Mary (left-to-right, actors Alice Wylie-Pickett, Shanna Walsh and Sheri Bagley) work their way through a jumbled jungle of time and space during writer EricOvermyer‘s hilarious play On the Verge. Directed by Margot Melcon. Tickets: $10 general; $8 student/senior; Thursday, all seats only $5. Opens 7:30pm Thursday, Nov. 7. Show continues at 7:30pm Thursday-Saturday, through Nov. 23. The Blue Room, 139 West First St. (upstairs from Collier Hardware.) Info: (530) 895-3749; www.blueroomtheatre.com.