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Don't miss Six Flags Opening Weekend!

Saturday, March 25
10:30am to 8:00pm

Sunday, March 26
10:30am to 6:00pm

Before you kick-off your day of fun don't forget to purchase a cape at the front of the park. For each cape purchased at the front gate, we will donate a cape to children at St. Louis Children’s Hospital and Cardinal Glennon Children’s Hospital. Be a hero by making a super donation that will help lift the spirit of a child in need.

After your friends and family are decked out in capes, enjoy an incredible day taking on your favorite superhero themed rides! Guests that purchase a cape at the front gate will receive exclusive ride time for one hour after the park closes on JUSTICE LEAGUE: Battle for Metropolis and MR. FREEZE Reverse Blast?