PGCMLS Geek Out Expo | Con Atlas | RMN

Wednesday, September 30, 2026 · New Jersey

PGCMLS Geek Out Expo

Prince George's County Memorial Library System's free all-day pop-culture festival with game demos, Smash Bros. tournaments, Magic: The Gathering lessons, anime trivia and cosplay; it moves to a different branch each year.

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Con Atlas · Maryland

Multi-fandom · Hyattsville, MD

PGCMLS Geek Out Expo is a multi-fandom convention in Hyattsville, Maryland, with no upcoming dates listed.

Season completedFreeListing under review
When
Last held Sat, Mar 28, 2026; next dates TBA
Late-March Saturday; host branch rotates
11 a.m.-4 p.m.
Where
Hyattsville Branch Library (branch rotates yearly)
Hyattsville, MD · Prince George's County
Directions
Badges
Free
Organized by
Prince George's County Memorial Library System
Library
Official siteDirectionsAdd to calendar

2026 Confirmed

4th annual Geek Out Expo, Saturday, March 28, 2026, 11 am-4 pm, Hyattsville Branch Library (held; rotates to a new branch each year)

Checked Tue, Sept 29, 2026 against the official source.

2027 Dates TBD

Annual since 2023; 2027 date and branch not announced.

Dates TBA

Nearby

Sources

Details checked against the con’s own pages on Tue, Sept 29, 2026.