106 events on october 21 on the BIG City Calendar!

Heads up at Bartram's Garden — Free Fishing Wednesdays 5–7pm thru Sep 23 — free rods, tackle, bait and instruction. No license or registration needed. source

Heads up at Hudson Table — October classes drop Sep 10 at 11 AM (first half) and Sep 17 (second half). They sell out — set a reminder. source

Heads up at the Walnut — “The Addams Family” opens the season Sep 22 – Nov 1. New “Walnut For Everyone” tier: 5-show subscription $100 — $20 a show. source

Heads up at the Arden — 1812 Productions' “This Should Never Be a Musical” thru Sep 27 — the audience names the show, the cast improvises it. Opens 1812's 30th season. source

Heads up at the APS — Friends of the APS get exhibition previews, behind-the-scenes tours, and advance registration for special programs. Membership info

Heads up at Queen & Rook — Memberships from $20/month — unlimited access to the 2,500-game library, plus a monthly quest with prizes. Family plan $40 covers five; arcade $50 unlimited. Membership info

Heads up at PRG Fishtown — Membership $75/month — unlimited climbing across all five PRG gyms, no commitment. Intro package $49 with gear and a class. Membership info

Heads up at Schuylkill Banks — Schuylkill River Park Farmers Market runs Sundays 9am–1pm thru Oct 25 at 25th & Spruce. source

Heads up at the Constitution Center — Free admission Thursday Sep 17 for Constitution Day, courtesy of PECO — naturalization ceremony at 9:30am, Preamble reading and birthday cake at 12:30. source

Heads up on Philly stages — 30+ shows on Philly stages this fall in Visit Philly's guide. TKTS: 30–50% off select shows within 72 hours, in person at the Independence Visitor Center. Visit Philly

Heads up at Claude's — New basement comedy club at 1123 S. Broad — 100-seat showroom, comedy seven nights a week, Tastykake flights at the bar. source

Heads up at Quintessence — “Witch” Sep 30 – Oct 25 — a dark comedy from a 1621 tragicomedy. Free parking behind the theater. Visit Philly

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 — TKTS Philadelphia sells 30–50% off select shows within 72 hours of curtain — in person only, at the Independence Visitor Center. Visit Philly

Heads up at the Kimmel — Free Fall Arts Fest Sep 19 — the Kimmel's 25th birthday party. Performances, 50% off tickets, Marian Anderson Hall tours, kids' zone. source