Unleash your inner ghoul or glam at COSI After Dark: Boo Bash! Put on your most enchanting or eerie costume and join us for a night of spooky festivities and dancing. With thrilling entertainment, costume contests, and a haunted ambiance, it's the perfect chance to celebrate Halloween in style.

Our featured music entertainment for the evening will be:
Palette Knife
Saving Escape
Left Out

Dress to impress, and win awesome prizes in our costume contest! Categories will include Singles Costume, Group Costume, and Judge’s Choice. The Costume Contest will being promptly at 8:30PM.
Prizes Include:
Columbus Blue Jackets Tickets
1 Night Stay at The Junto
Watershed Gift Bundle
Game Arena Gift Bundle
And More!

Additional entertainment will include:
Planetarium Karaoke
Trivia
COSI VR Experience
DJ’s
Tarot Readings
The High Wire Unicycle
Electricity Workshop
Glass Blowing with Glass Axis
And additional activities with our Community Partners!

Costume Contest Prizes Sponsored by:

Community Partners: