HGMS 69th Annual Gem & Mineral Show

Redwood Acres Fairgrounds / 9 a.m.-6 p.m. / Free Kids Under 6 / $1 Kids 6-12 / $5 Adults

Humboldt Gem and Mineral Society’s annual show. Geode cutting, live demos, kids games, silent auction, daily lapidary demonstrations, rock dining table, display cases, live demos, vendors and much more.

Fall Book Sale From Friends of the Redwoods Libraries

Eureka Main Library / 10 a.m.-3:30 p.m.

Friday’s sale is for members only, with memberships available at the door. Saturday’s sale is open to everyone.

269-1905 / Web site

Bravo Roller Derby

The Summitt / 5-8 p.m. / Free / 21+

Watch the top 13 teams from around the globe battle for first place and the Hydra trophy!

613-0732 / thesummittsportsbook@gmail.com / Web site

Family Fun Night!

See Event Description / 5-8 p.m. / Free

443-3488 / Web site

Annual Holiday Open House

See Event Description / 5-8 p.m.

Join us for our annual holiday open house at The Carl Johnson Company!

443-4851 /

Mural Viewing Party

Humboldt Bay Social Club / 5:30-6:30 p.m. / Free

Language Exchange Meetup

Richards' Goat Tavern / 6-8 p.m.

Speak your native language! Teach someone a language!

925-214-8099 / wetravelconnectusa@gmail.com /

Yard Duties

Gyppo Ale Mill / 6-8 p.m. / Free

Dylan and Rosa, both Children's House alumni, bring their dynamic energy and passion for music to our stage.

223-3443 / family@gyppo.com / Web site

Potion Party Skate Night

Blue Lake Roller Rink / 6-9 p.m. / $5

668-5932 / parksdirector@bluelake.ca.gov / Web site

Eureka Skate Night

Eureka Municipal Auditorium / 6:30-9 p.m.

Looking for a groovy way to spend your Friday night?? Come on down to Skate Night at the Eureka Municipal Auditorium!

834-6529 / cjungers@ci.eureka.ca.gov / Web site

Obi Kaufmann: The State of Fire: Why California Burns

See Event Description / 6:30-8 p.m.

822-2834 / info@northtownbooks.com / Web site

Opera Alley Cats

SpeakEasy / 7-10 p.m. / Free / 21+

Long-running Old Town musical institution featuring some of the region's best jazz players.

444-2244 / jessdancer.speakeasy@gmail.com / Web site

Macabre Cabaret

Dell'Arte / 8-9:30 p.m. / $30 / $100 Table Seating / $25 Early Bird/Oct 15 / 18+

In the Carlo Theatre. Clowns juggling knives, disembodied voices, monsters in the shadows and haunting electronic melodies are just a part of what’s in store for audiences this year.

668-5663 / info@dellarte.com / Web site

Adam Hurley

Kaptain's Quarters / 8-11 p.m. / Free

798-1273 / Web site

Brazilian Grooves with Samba Floresta

Blue Lake Casino Hotel / 8 p.m. / Free / 21+

668-9770 / Web site

International Folk Dance Party

Redwood Raks World Dance Studio / 8-10:30 p.m. / $5

The event features easy dances and an evening of international music with local bands.

496-6734 / kurumada@humboldt.edu / Web site

The Latest Show

Savage Henry Comedy Club / 9-11 p.m. / $5

Jish Barnes hosts a late night show every Friday. Guests, jokes, lists, surprises.

Web site

The Undercovers' Basement Boneyard Bash

The Basement / 9 p.m.-midnight / $10 / 21+

This beloved local band is playing all your favorite hits for the spooky season.

230-6451 / info@basementarcata.com / Web site

Karaoke

Central Station / 9 p.m.-1 a.m. / Free / 21+

Every Friday night sing your favorite songs!

839-2013 / centralstationtavern@gmail.com /

Vampire Ball

Arcata Theatre Lounge / 9 p.m.-1:30 a.m. / $10 / 18+

College night with KRTMS and the 1942 Boys.

613-3030 / Web site

Radio Clash

The Miniplex at Richards' Goat Tavern / 9 p.m. / $5 / $10 sliding scale / 21+

One of Humboldt's most storied and diverse DJ collectives.

630-5000 / info@miniplexevents.com / Web site

Do You Know the Way to San Jose?

Savage Henry Comedy Club / 9-11 p.m. / $10

San Jose comedians headline the weekend.

Web site