GB Con - MassMutual Center — Mar 14–15, 2026 in MA

March 14-15,2026|ConventionCenter at the MassMutual Center Springfield's PremierAnime& TCGConventionGB Con is a two-dayanimeand trading card gameconventionbringing fans, collectors, cosplayers, and artists together in Springfield,Massachusetts.

Category: anime

Dates: Mar 14–15, 2026

Location: MA

Official site: https://www.massmutualcenter.com/events/detail/gbcon2026

Plan your visit on HallPass — browse the full schedule, track your budget, plan cosplays, and coordinate meetups.