Extraterrestrial Trickster T-Shirts

Hair Crop Circle

Alien Magician

The aliens froze, gripped by a primal fear. This time there would be no abduction.

One vampire tricks another behind a mirror.

Right, this is the map of all the UFO sightings. Hold the light steady love.

"Shred the plank."

'Boy, does this ever shoot holes in the old Big Bang Theory!'

While at the Zoo, Victoria gets an idea.

The balance of power shifted when sparky figured out how to use the laser pointer.

'Okay, this is the scene where the bear becomes a parachute.'

"Must be those ancient aliens you hear so much about."

'Take that off, Fuller. You're scaring the hell out of everyone!'

"I can't understand why you're getting no signal down here? There's plenty of Hotspots!"

"Do you mind?"

'Whatever you do don't press the parallel dimensions button again!'

Pianist Fraud

Mars Rover's wheels stolen.

Mars Probe 'insight' - the very last picture...

"I don't suppose we could discuss this when my Mars isn't in opposition to your Sun?"

"Today is the rabbit's day off."

Mission: Carrot

"April Fool's on her!"

Moon Prank

Practical Jokes Doctors Can't Do

"And if I move Mercury over here, all the Libras go nuts."

'Been in advertising long?' man asks painter, who's painting a pile of rubbish as a beautiful countryside scene.

'You see Tommy, 1 kg of Iron is not always equal to 1 kg of feathers...'

Alien

"Feel the monster guts in the bowl!"

"When she wants them to come - she purrs like a can opener."

"This job has got a lot easier since the police gave up on burglaries."

Stupid vet tricks (Vet trying to trick a dog into getting an injection by waving a bone in front of it).