Just one, but it takes three episodes.
How many libertarians does it take to screw in a light-bulb? None. The market will take care of it.
Two. Obviously.
The lightbulb works fine...
Just one but he wants to do it thirty-two times and when he's done everyone says that his last light bulb was much better.
Hope you're ready for the next episode
Just one. But it takes five episodes.
Find out next time, on Dragonball Z!