Bring-A-Friend-Free days at SFGrA?

I’m planning a trip to Chicago sometime before the end of the year. Does anyone know the dates of the remaining Bring-A-Friend-Free days at SFGrAm? I’d hate to make the drive from St. Louis only to find the park packed
Any help would be appreciated… Thanks

*** This post was edited by kip099 on 8/28/2001. ***

Do u have a season pass?
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Ready to launch!... Bzzzzzzzz...

yes... from SFStL

I'm wondering about the same thing at SFWoA.  There is a week at the end of September that is all Bring-a-Friend-Free days.  Anyone know if it will be extra-super-crowded that week?  Saturday?

SFGAdv bring a friend for free days (from Season's Pass coupon book) are any regular operating days between Aug 27 and 31, and Sept 15, 16, 22 and 23.

Sorry - I ment SF Great America in Chicago... I did a lousy job with my SF abbreviations...

Den - I don't know how things are at SFWoA, but the last time SFStL had a bring-a-friend-free day on the weekend was the busiest I've seen the park all year.