Simple for me, really--don't have those shows on when the little ones are around.  I wouldn't watch porn in the house when they're around, I woudn't watch R-Rated movies when they're around, and I sure as hell don't watch the Half-time show of the Superbowl when they're around.  I suppose there are many out there that don't monitor what their kiddies are viewing, but to me that's part of the deal.

To quote Keanu Reeves in "Parenthood" "...you need a license to buy a dog, to drive a car - hell, you even need a license to catch a fish. But they'll let any butt-reaming asshole be a father."