90 events on october 20 on the BIG City Calendar!

Heads up at Fleisher — Winter term (Jan 4 – Mar 8) registration opens Tue Oct 20 at 8am; tuition-free classes open Tue Oct 27 at 8am. Winter 2027 schedule

Heads up at the Arden — “Topdog/Underdog” Oct 29 – Dec 13. Pay-what-you-choose final dress rehearsal Wed Oct 28 at 7pm; Teen Night Nov 21, $15 tickets for ages 13–18. Topdog/Underdog

Heads up at the Barnes — “Noguchi to Asawa” opens Sep 20 — sculpture and design by Japanese American artists including Ruth Asawa and Isamu Noguchi. Through Jan 10. source

Heads up in #halloween — Visit Philly's 2026 guide to haunted houses, attractions and ghost tours — Eastern State, Fright Factory, Lincoln Mill, Fort Mifflin, Laurel Hill. The haunted houses run thru Nov 7. Visit Philly

Heads up in #fitness — The Rocky Run, Sat Nov 14 — 10-miler, 5K and half marathon; ~40,000 runners expected from all 50 states and 75 countries. Visit Philly

Heads up at Thrillerdelphia — Blitzkid in-store Mon Nov 30, 7pm — autographs, a photo with the band, and a live horror reading, $30. Tara Laskowski signing Thu Nov 12, 7pm. Events

Heads up at Queen & Rook — Memberships from $20/month or $180/year — the 2,500-game library any day, plus a monthly quest with prizes. Reserve to guarantee a seat; normal time limits apply. Family $40 covers five; arcade $50. Membership info

Heads up at Claude's — Basement comedy club at 1123 S. Broad. No drink minimum, full table service; the 7pm open mics are all ages, other shows 21+ unless with an adult. Claude's info

Heads up at the Free Library — Foundation membership — behind-the-scenes tours of special collections, presales and reserved seating at Author Series events. Membership info

Heads up at PhilaMOCA — Unfamiliar with PhilaMOCA? Former mausoleum showroom, David Lynch's Eraserhead inspiration, Diplo's old label HQ — now the all-ages DIY heart of Philly film and music. read this

Heads up at the Academy of Music — Opened 1857 and modeled on La Scala — the oldest opera house in the U.S. still used for its original purpose. Seats up to 2,600. About the Academy

Heads up at Philadelphia Brewing — Free brewery tours every Saturday at 12 and 2 — an hour through the 1885 Weisbrod & Hess building, no RSVP needed. Keep an eye out for Duke the Brewery Cat. Tour info

Heads up at the Walnut — 5-show subscription from $100 — $20 a ticket on first Tues–Fri evenings, all sections. Subscription info

Heads up in #theatre — Visit Philly's fall guide picks 30+ can't-miss shows — updated Sep 8. Visit Philly

Heads up at the Fillmore — The Inquirer Food Fest, Sat Nov 14, 11am–6pm — second year; two half-day tastings or an all-day pass. Visit Philly