six flags!help!

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can somebody explain to me about the season pass? i wanna go there,and i saw the promo which is the season pass,it says there unlimited visits?so i can go as long as i want without paying anything just the parking and the other stuffs inside but i can ride all i can right?how bout it says there that i can bring 100 friends? how was that? is the season pass just for me?they have to buy their own too?but there is one season pass which is the silver season pass,that gives free tickets for friends?i'm really confused and i can't call them because they have the automatic operator, can somebody help me?