Just one. But it takes five episodes.
You don't need to, they glow in the dark.
It takes four. One to screw in the bulb, and three others to watch and say, "Really dude, you look huge!"
Twelve. One to change the bulb and eleven to do the paperwork.
Doesn't matter how many femenists try, they can't change anything. Alternatively, they just hold it up and wait for the world to revolve around them.
Goquan
Find out in the next episode of Dragon! Ball! Z!
Are you ready for the next episode?
Just one. But it takes 20 episodes
How many dragon Ball z characters does it take to screw in a lightbulb? Only one, but it'll take at least 6 episodes!