What do you call an alien spaceship that's leaking water?
A crying saucer.
Where do aliens park their flying saucers?
At a parking meteor.
Why don't aliens get hungry after being blasted into space?
Because they've just had a big launch.
What is a lightyear?
The same as a regular year, but with less calories.
What's E.T. short for?
Because he's got little legs.
Have you heard the one about the spaceship that came to Earth?
Never mind its over your head.
What do aliens prefer to drink?
Gravi-tea.
How do you get a baby alien to sleep?
Rocket.
What do you call an overweight alien?
An extra cholesterol.
What do you call a wizard aboard a spacecraft?
A flying sorcerer.
How do you organise a welcome party for an alien race?
You planet.
What do you call an alien with three eyes?
An aliiien.
How did the aliens hurt the farmer?
They trod on his corn.
Have you heard the one about the spaceship that came to Earth?
Never mind its over your head.
What do you call an alien spaceship that goes from planet to planet to planet? A UF-hoe.
What time do spacemen get up? Alien in the morning.
What will you do if you come across a green alien? I’ll simply wait until it’s ripe.
How will you save yourself if you come across an aggressive alien? Give him some space.