I know its your game, but here are some advices
Its better when immunity spot is somewhere in the middle, its too soon to put in in the beginning
Since there are not so many shows left, maybe only 1 eliminated per round will be better from now on
Anyway, i really like this idea, i hope that you will include The Vampire diaries,Pretty Little Liars,Desperate housewives,Supernatural....too later
I hope that Lost or GOT wins this