Three. One to change it while the other two argue about how old the old one is.
There's really no sure way to know.
One. But it'll take 3 episodes, and Krillin dies.
None. They can't get up that high!
Californians don't screw in light bulbs, they screw in hot tubs and infinity pools.
Someone who's career is in ruins !
Someone whose career is in ruins.
5. 1 to screw in the light bulb, and 4 to remark on how grand the old one was.
None. They'll just stand in the dark talking about how good the old one was.