Halloween fun is extending into the weekend, as are lively events like an ocean-centric art show and massive ballpark science fair.

Looking for fun, entertaining performing and visual arts events to check out in San Francisco this week? Here are top picks with dates, times, locations and ticket links.

Looking for fun, entertaining theater events to check out in San Francisco this week? Here are top picks with dates, times, locations and ticket links.

Browse listings of cats up for adoption at pet adoption centers in and around San Francisco.

Looking for fun, entertaining comedy events to check out in San Francisco this week? Here are top picks with dates, times, locations and ticket links.

Whether you've got trick-or-treaters in tow or want to escape the Halloween crush, there's an event for you this weekend.

Looking for fun, entertaining theater events to check out in Berkeley this week? Here are top picks with dates, times, locations and ticket links.

Looking for fun, entertaining Halloween events to check out in San Francisco this week? Here are top picks with dates, times, locations and ticket links.

Looking for fun, entertaining events and activities to check out in Berkeley this week? Here are the top picks with dates, times, locations and ticket links.

Looking for fun, entertaining events and activities to check out in San Francisco this week? Here are top picks with dates, times, locations and ticket links.

See listings of dogs up for adoption at pet adoption centers in and around San Francisco.

Looking for fun, entertaining events and activities to check out in Berkeley this week? Here are top picks with dates, times, locations and ticket links.

Honor the 30th anniversary of Loma Prieta with a safety session, then catch vintage witchcraft flicks or drop in at the Potrero Hill Festival.