What are the opening hours?

Wednesday 5pm - 10pm Thursday 5pm - 11pm Friday 5pm - 12am Saturday 5pm - 12am

5th Underground

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Bismarck, ND
5th Underground

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5th Underground is a unique themed bar experience located in Downtown Bismarck, ND.
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We offer Party Rental Space & Full Bar Buyouts as well as holiday themed events that are open to the public.

11/01/2026

We’ll just leave this here…. 🎄

10/30/2026

👻 Open Halloween’s Eve — 5pm to Midnight!

10/29/2026

👻Halloween Pre-Gaming starts tonight!!

Open 5pm to 11pm - Come test your luck on our Spooky Casino! Black Jack open all weekend long 🃏

10/28/2026

👻 It’s officially the week of Halloween — and we are ready for it!

Why only dress up on Saturday night? We want to see costumes all week long!

What do you plan to wear this year?

This weeks Hours:
Wednesday | 5pm to 10pm
Thursday | 5pm to 11pm
Friday & Saturday | 5pm to Midnight

Let’s get 👻 spooky!

10/23/2026

Who’s ready to win some MEAT?! 🥩🎟️

Join us tonight at 5th Underground for a Friday night MEAT RAFFLE benefiting the Great Plains Community Foundation!

🎟️ Only $2 to play!
🍹 Hot appetizers & drink specials!
🥩 Your chance to take home some delicious meat prizes!
📅 TONIGHT — Friday, October 23rd
⏰ 5:30–7:30 PM
📍 102 N 5th St, Bismarck, ND

Proudly sponsored by Sixteen03 Main Events & Sysco Foods!
Grab your friends, come hungry, and kick off your Friday night while supporting a great cause! ❤️
👇 Tag your lucky friend who always seems to win everything!

10/21/2026

Meat Raffle — this Friday night!🥩

All information found in the post below. See you there!

10/20/2026

🎃This Wednesday, October 21st, we’re bringing the open mic laughs to 5th Underground!

Hosted by No Brains, No Headaches, it’s your chance to grab the mic, test out your best material, or just sit back with a cocktail or mocktail and enjoy the show. 😂🍸

🎤 Sign-up starts at 7PM
🍸 Bar open 5PM–10PM
👻 Spookeasy cocktails & mocktails available all night

10/19/2026

👻 This Weeks Hours:

Wednesday | 5pm to 10pm | Open Mic Comedy
Thursday | 5pm to 11pm
Friday & Saturday | 5pm to Midnight 🌖

10/16/2026

👻 Who will we see Boo-Hopping downtown this weekend?

Address

102 N 5th Street
Bismarck, ND
58501

Opening Hours

Wednesday	5pm - 10pm
Thursday	5pm - 11pm
Friday	5pm - 12am
Saturday	5pm - 12am

Telephone

(701)2556246

Website

http://www.5thundergroundbar.com/

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