Every Fri.–Sun. Three different audiovisual planetarium shows suitable for all ages. T. Rex (noon) describes the iconic dinosaur’s scientific and cinematic history (includes scenes of dinosaur violence); The Sky Tonight (1 & 3 p.m.) explores the current night sky, with tips on how to find the cardinal directions, constellations, and planets on your own; and Tales of the Maya Skies (2 p.m.) immerses viewers in the wonders of Mayan science, examining how Mayan scholars developed a sophisticated understanding of astronomy, architecture, and mathematics. Noon, 1, 2, & 3 p.m., 1105 North University. $9 at the gift shop. Limited capacity. (734) 764–0480, ummnh.org.

Oct. 6, 10, 17, 24, & 31. All age 16 & up invited to learn about and participate in improv games in a fun, relaxed, and judgment-free setting. No experience necessary. The Oct. 17 meeting is followed by an hour-long skills session discussing and practicing a specific improv skill. 7–9 p.m. (Tues.) & 2–4 p.m. (Sat.), Riverside Arts Center, 76 N. Huron St., Ypsi. Tickets $8 (Oct. 17, $15) in advance via PayPal or Venmo linked from meetup.com/ypsi-improv or in cash at the door. 

Every Wed.–Sun., Sept. 24–Dec. 20. Rhiannon Ragland directs retired Detroit newscaster and playwright Devin Scillian’s family comedy-drama about a conflict between brothers—an aging country rocker and a buttoned-down finance guy—after their mother’s death. Adult language and subject matter. 7:30 p.m. (Thurs.), 8 p.m. (Fri. & Sat.), 2 p.m. (Sun.), & 3 p.m. (Sat. & Wed.). 137 Park St., Chelsea. Tickets $31.50–$52.50 in advance at purplerosetheatre.org, (734) 433–7673, & (if available) at the door. Discounts available.

Every Wed., Fri., & Sat. All invited to play both casual and tournament forms of the collectible card game MTG. Wed. & Sat. (5 p.m.): “Commander.” A drop-in session of the most popular form of the game. Free. Fri. (6:30 p.m.): “Booster Draft.” Players take turns opening booster packs to create a 40 card deck. $25. Various times & prices, 2459 W. Stadium. (734) 929–5877, sylvanfactory.com.

Every Sat. Rotating lineup of two local improv troupes. Also, on Oct. 3, Love Fools, an improvised dating show with a lineup of strange characters (8:30 p.m., $15 in advance; $18 door) 7–8 p.m., 2350 W. Liberty. $15 in advance at heardotsay.com/events & $18 (if available) at the door.

Oct. 18, 22, & 24, Nov. 1, 5, & 7. Rochester-based veteran poet Frederick Glaysher performs stage adaptations of his epic poems, Into the Ruins of Modernity (Oct. 18 & Nov. 1) and The Parliament of Poets (Oct. 22 & 24, Nov. 5 & 7), each a combination of poetry reading, protest play, and performance art that emphasizes the transformative nature of art and its power to fight fascism & oligarchy, and celebrates human capacities for cooperation and peace. Not suitable for children. 2 p.m. (Sun.) & 7 p.m. (Thurs. & Sat.), Cahoots, 206 E. Huron St. $15–$30 (students, $12–$20; seniors, $15–$25) at buytickets.at/apollostroupe or (if available) at the door. Group rates available. (947) 203–0085.

Oct. 23–25. An ensemble of local musicians performs songs written and originally performed by the folk rock supergroup of singer-songwriters David Crosby (of the Byrds), Graham Nash (of the Hollies), Stephen Stills, and Neil Young (both of Buffalo Springfield). They were known for their close singing harmonies and their hits “Woodstock,” “Marrakesh Express,” “Our House,” and others. 7 p.m. (Fri. & Sat.) & 2 p.m. (Sat. & Sun.), 7714 Ann Arbor St., Dexter. Tickets $39–$58 in advance at theencoretheatre.org & (if available) at the door. (734) 268–6200.