http://www.sixflags.com/anniversary_pass.asp

One day is not enough to experience all that Six Flags has to offer. That's why we're giving you the rest of the season to help us celebrate our 45th Anniversary.

For a limited time, get your Anniversary Pass for the price of a daily ticket and we'll give you the rest of the season for FREE*

What's more, your endless summer lasts well into fall, with unlimited admission to FRIGHT FEST. The time to visit Six Flags is now, and the next day, and the next day…

Experience many happy returns-get your Anniversary Pass today.