Slamboree 2017 Slamboree 2017 held at the Grand Casino in Shawnee, Oklahome on August 5-6, 2017.  Spectator passes for 1 day is $15 and $20 for two, bring a two and get $5 off your ticket.  Registration is $40 or $30 with a toy.  For more information check out their website or contact Jimmi Broyles at 405-209-9339 or ncokc@thebigshowok.com