No clue on prices, but I remember going to this when it was in it's first year (I think) back in 1995 while my husband and I were on our Honeymoon!! No California Adventure, just Disneyland. I think it was called Mickey's Halloween Treat. I'll have to look back at our pictures and see.
Gail
80 & 91 WDW OffSite; 10/95 DL Honeymoon; 4/00 & 5/01 DL Off Site; 12/02 WDW - ASMo;
10/03 WDW - CSR; 5/05 WDW - ASMo; 2/07 WDW - SSR; 8/07 WDW - Pop - Me & DD;
1/08 WDW - CBR - DH & Me; 8/09 WDW - THV & SSR; 08/11 WDW - Pop w/Free Dining