Texoma Event Calendar
Events, activities, entertainment, and family friendly things to do in the communities surrounding Lake Texoma. Find community events, festivals, live entertainment, plays, concerts, seminars, and workshops.
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Monsters on Main 2026
10/31/2026 @ 5:30 PM
Monsters on Main in downtown Denison
Our annual Monsters on Main Trick or Treating event returns! Join us in Downtown Denison for businesses and government departments passing out candy with a costume contest at the brand new Heritage Park for all ages! Judges will begin judging at 7PM.