These four (4) admission tickets to the park are available on any operating day, now through expiration date of March 22, 2019. 

Six Flags Discovery Kingdom is like multiple theme parks in one. Wildlife shows, interactive animal encounters, live entertainment, and more than 40 thrilling rides. formerly known as Six Flags Marine World is a 135-acre animal theme park located in Vallejo, California roughly halfway between San Francisco and Sacramento on Interstate 80.