Sci-fi Prankster T-Shirts

"Eww...put those back."

"Oh, Lord! Not on our first date!"

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

'Marsha, did you file the Peterson account on the cumulus, stratus, cirrus, or nimbus cloud?'

The Adventures of God

'I could eat you.'

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

'The only problem is they're glued together. So I can't see the watch...or change the dead calculator batteries, but it's guaranteed for life...'

Why are you waving that big magnet over my hard drive?

They still don't get it, do they? They can't see we're aping them!

"I trust him - he has a science background."

While at the Zoo, Victoria gets an idea.

'Checkmate!'

"We've run all the technical stuff and found the cause of the funny sound coming from your computer."

'I accidentally hacked into Mom's microwave oven.'

The Ascent of Man.

'The probability of someone watching you is proportional to the stupidity of your actions.'

Hallowe'en wake up call

Astronomers studying the 26 moons of Uranus...

'The mysteries of hyena laughter deciphered.'

Extremely Realistic Virtual Reality.

Early Scientific Fraud: Young Thomas Edison Tried to Pass off a Container Filled with Fireflies as an Incandescent Bulb.

"My dad said I couldn't scare him, so I'm hiding all his data like it was erased. Get ready for a loud scream."

Wishing Well

I send greetings from the planet OOM!

'... and when the user's blood pressure goes over 100, the computer shuts down, the siren sounds, and the neon sign beings to flash!'

The Hard Drive Ate My Homework.

We interrupt today's "The Price is Right" episode to bring you breaking news … Weeks ago, the Hubble telescope spotted a rogue planet the size of Venus plummeting through the solar system on a collision course with earth. It turns out it was actually just a prank involving two very bored ISS astronauts and a grapefruit. Breaking News!!!!! Maybe we should send them to Mars after all. One of them seems to have scrawled "Around and around and around and around" all over his space suit, in crayon.

'Which one do you think Dracula's in?'

'Okay! Who changed my screensaver?'

Dr. Frankenstein: 'Heyyyy, What THE...?!'

Practical Jokes in the Science Lab. Watch this -- That chair is made of anti-matter.

Recombinant DNA Lab.

"Yeah, I've been radio-tagged by scientists, so once a week, out of spite, I do something irrational just to mess up their data..."

'I hacked into the school computer, and flunked all the teachers out.'