Only one but it takes eight million years.
Er two. Or maybe one. No --- on second thoughts make that two. Is that okay with you
Three; one to drop the bulb and two to yell "pick it up pick it up!"
Just one, but it will take 4 episodes.
To get to the other side
God: Like one second. Mortal: What is a million dollars like to you God: Like one penny. Mortal: Can I have a penny God: Just a second.