M.L.
How about letting him set a timer for him to have quiet time. When it's over, have him calmly help you in the kitchen or coloring or something else low stimulation (it continues the quiet time!). Keep the tv off and the lights off as long as you can.
Give up the power struggle because that's what it sounds like it is now more than anything. Change the situation and give him some control and choice without all mayhem breaking loose.