Just 1, but It'll take 7 episodes for him to do it.
5 1 to hold the bulb and 4 to spin the ladder.
None. People that glow in the dark don't need lights.
None, they prefer natural light
Only one... but it will take a few episodes. The lightbulb saga
Doctor: 10 Guy: 10 what! 10 days, 10 months, 10 years Doctor: 9...8...7...6...5...
Because 7 ate 9.
Dragon balls!
Nail: Did you work the shaft