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February 10, 2023 | 6-10pm

SOLD OUT Buy Tickets



Join us for OMSI After Dark: PROMSI!
Dress to the nines, take an awkward photo with your date and hit the dance floor.

Masks are optional for guests although we still highly encourage you to wear a mask and recommend you wear an N95 or KN95. We are limiting capacity to 1,200 guests.

21+ Only | A valid government issued ID is required for entry for all attendees.

OMSI After Dark Tickets - SOLD OUT
$25pp | Ticket includes parking and all activities except for the featured exhibit
$15pp | Add-on featured exhibit upcharge
OMSI members receive a 15% discount

Science Demonstrations
Sex Cells | Biologically speaking, sex happens at the cellular level. Come look into a microscope and see into the world of genetic combination.
Intermingling Infections | How does a sexually transmitted infection spread? Why is it important to know your status and how can you protect yourself? It’s about time we talked about the unsexy science of STIs!
Electromagnetic Attraction | Come learn more about the hair-raising science behind electrostatics and the attractive force of magnets.
Disc-Snow and Fire | Need to cool off from the dance floor? Take a break and chill with snow in a burned forest.

Activities Happening All Night
-Explore our featured exhibit (requires an additional ticket). Please note: access to the exhibit will close at 9:15PM.
-Explore the Turbine Halls brain teasers, design challenges, shake house and more.
-Dance Party with DJ Eddie | Auditorium
-DJ Music by Freeform Portland KFFP | Turbine Hall

Timed Activities
Planetarium Shows: (First come, first served. Limited capacity.)
--6:45PM & 8:15PM | Laser Lizzo
--7:30PM & 9PM | Laser Beyonce
Empirical Theater Activities: (First come, first served. Limited capacity.)
--6:45 | What an OBGYN wishes you knew on prom night with Dr. Jennifer Lincoln
--TBA | Impossible Science LIVE! with Jason Latimer

Themed Vendors
-Brown Girl Bling
-Ella Dean
-Just Because Boutique
-Mimi's Fresh Tees
-National Beard League
-Nizhoni Jewelry
-Oh Joy Sex Toy
-Third Eye Books
-Pup Tent Flowers
-Rose City Romance Writers
-Small & Mighty Events
-The Traveling Typist
-Tre Club Beadwork

Artisan Food Samplers
-Ground Breaker Brewing
-Heaven Hill
-Henry Higgins Boiled Bagels
-Newks Hot Sauce
-Nothing Bundt Cakes
-NW Wine Co
-Reverend Nat's Hard Cider
-Vanport 1948 Vodka

Food and Beverage
-Our Theory restaurant will be open!
-Bars with wine, beer, cider and non-alcoholic beverages.

Questions? Email events@omsi.edu.
Ticketing questions call 503.797.4000 x0

Frequently Asked Questions

What are your COVID Guidelines*?

–We are NO LONGER requiring proof of vaccination nor a negative COVID test to attend OMSI After Dark.
–Since the mask mandate for the state of Oregon has been lifted, the OMSI facility will be mask optional for daytime and evening events. We still highly encourage you to wear a mask.
–All staff, volunteers and security guards are fully vaccinated.
–If you are feeling sick or have been potentially exposed to COVID please stay home. To request a refund email concierge@omsi.edu or call 503.797.4000 x0. We will give refunds until 5pm the night of the event.
–We are limiting the entire event to 1,200 guests.
*Guidelines are subject to change.

Is this event 21 and over only?

Yes, you must be 21+ to attend. Minors are not allowed. Everyone must present a valid government issued ID.

If I'm unable to attend, can I get a refund?

Yes. If your plans change, if you are feeling sick or have been potentially exposed to COVID please stay home. To request a refund email concierge@omsi.edu or call 503.797.4000 x0. We will give refunds until 5pm the night of the event.

Is there food and beverage at this event?

Yes, our restaurant, Theory will be open. Plus, we will have 2-3 bars with beer, wine, cider and non-alcoholic drinks. We also typically have a couple artisan vendors giving out free samples of alcohol or snacks.

Do I have to pay for parking?

No, it is included in your ticket.

Visiting Soon?

OMSI is committed to making science-fueled fun available for all in our community. We are proud to offer admission assistance, financial aid, and accessible services throughout the museum. Explore access resources and amenities for guests visiting the museum.

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