"PROOF": 2 p.m., Alban Arts Center, 65 Olde Main St., St. Albans. The play is about the troubled 25-year-old daughter of a recently deceased genius mathematician who wonders how much of father's genius -- and madness -- she has inherited. Tickets are $15 for adults; $10 for students and seniors. Call 304-721-8896 or visit www.albanartscenter.com.
CLAY CENTER: Noon to 5 p.m. Free admission. Includes galleries and planetarium shows, plus discounts on films. Film is "Bears." Planetarium show is "Jupiter: Planetary Giant." Free Wi-Fi is available in the cafe and lobby. Call 304-561-3570 or visit www.theclaycenter.org.