Blue Bear School of Music presents... All Star Band Fall Showcase

Sun · Oct 25·3601 Lyon St, San Francisco

Cal Hacks 13.0 (3601 Lyon St, San Francisco) — 36‑hour hackathon offering workshops, industry mentors, corporate partners, food, swag, and prize pool of cash and devices.

Sun · Oct 25·5 AM·Event Location, San Francisco

Cycle Track open until 10:00 AM at Event Location, San Francisco.

Sun · Oct 25·8:30 AM – 4:30 PM·San Francisco, CA (Farallon Islands)

Eight‑hour naturalist‑led whale watching expedition sails from San Francisco under the Golden Gate Bridge to the Farallon Islands, featuring an expert naturalist, $320 per person, ages 13+.

Sun · Oct 25·8:30 AM – 10 AM·SF Botanical Garden · San Francisco

Sophia Di Piazza leads a free guided walk in the San Francisco Botanical Garden, examining pollinators, beetles, true bugs and other insects; $5‑20 suggested donation, all ages.

Fri · Oct 23·8:30 PM – 10:30 PM·Bottom of the Hill · San Francisco

K.Flay delivers alternative‑indie dance/electronic punk lo‑fi set with yogurt available, Bottom of the Hill, all ages.

Sun · Oct 25·8:30 PM – 10:30 PM·Bottom of the Hill · San Francisco

Castle record release showcases doom, stoner, black metal doom, and stoner thrash at Bottom of the Hill, San Francisco, 21+.

Tue · Oct 27·8 PM – 10 PM·Bottom of the Hill · San Francisco

The Dystopian Theatre Tour features Slothrust, Um, and Jennifer? delivering rock, grunge, garage, pop rock, and punk at Bottom of the Hill, all ages.