Preheat oven to 250 degrees F. In a bowl add melted butter, bbq sauce, hot sauce and Polynesian sauce. Stir together until everything is combined. In a large bowl add in chex mix, pretzels, and peanuts. Pour the sauce over the chex mix and gently stir to coat the sauce, making sure not to break the chex mix pieces.
On a parchment lined baking sheet, gently pour the party mix and spread evenly. Bake in the over for 45 minutes, using a spoon to turn and mix the party mix every 15 minutes. Remove from oven and enjoy