Midsummer Scream 2025 Dates. Details on the midsummer scream 2025 lineup including theme park and attraction presentations, panels, guests, and more! Horrorcons.com is your complete guide to horror conventions in the us, canada, and beyond.

Midsummer scream is the world’s largest halloween and horror convention, often. Priority entry to panels, presentations, and attractions (similar to front of line access at theme parks).