I lost my magic mountain season pass..?

Since i live right next to six flags, i go there a lot. So i bought a season pass for both magic mountain and hurricane harbor. And i lost it. I really need to find it but their Lost and Found couldnt find it.. So i was wondering if i could renew it or get it for free or pay a fee (not too much) to replace my old one. idk if i have the reciept or not. I dont think i ever got one when i bought it online.. Please help ):