One. They stick the bulb in the socket and wait for the world to revolve around them!
One woman brings you into this world crying and the other ensures you continue to do so.
Gynecologist - because in the hole that the whole world is looking for pleasure, he's looking for problems.
There are Dave Matthews fans
Two. One to hold the bulb, and another to spin the story until the bulb fits.
Four. One to change the bulb, three to stand around so he has someone to hi-five after.
Twenty. 1 to hold the bulb 2 to turn the ladder and 17 to be on the guest list.
Two. One to screw it in and one to film it. One, but it takes him fifty tries.
How many pessimists does it take to change a light bulb? None - it's probably screwed it too tight anyhow!
You can tuna piano, but you can't piano tuna.... What about the pot of glue I knew you'd get stuck.
A stick.
He thought they said internet camp
Canadian
In the punchlines.
Wait until it ripens.
One. He puts the bulb in and lets the world revolve around him.
Just one. She holds it while the world revolves around her.
By holding the bulb up to the socket and waiting for the world to revolve around them EDIT: Rip inbox EDIT 2: Thanks for the gold!