Q: How many Klingons does it take to change a lightbulb?
A: TWO: One to screw it in, and one to stab the other in the back and take all of the credit.
Q: How many Klingons does it take to change a lightbulb?
A: NONE: Klingons aren’t afraid of the dark.
Q: What do the Klingons do with the dead bulb?
A: Execute it for failure.
Q: What do the Klingons do with the Klingon who replaces the bulb?
A: Execute him for cowardice.
Q: How many Romulans does it take to screw in a light bulb?
A: ONE HUNDRED FIFTY-ONE: One to screw the light bulb in, and 150 to
self-destruct the ship out of disgrace.
Q: How many Vulcans does it take to screw in a light bulb?
A: Approximately 1.00000000000000000000000000000000
Q: How many Borg does it take to change a light-bulb?
A: All of them!