Prank Theorist T-Shirts

Venice 1609: Someone plays a practical joke on Galileo. . .

"I'm grounded. I forgot to delete the car's computer history after we did those crop circles on Earth."

In his younger days Spock was quite the comedian.

Randall couldn't wait to see what else the 'Magic Trash Can' could make disappear.

...and then I...wait....What's that?? Whoa! We're on a spaceship! This is fun! Hey! What's this button do? Can I pull this lever? Are we there yet? Take a selfie with us? Do we get snacks? Can I drive? Are we there yet? Something we said? Just imagine if we'd been obnoxious!

Clyde thought “Atomic Sparklers” was just an ad gimmick

Children disturbing a heart rate reading.

Clown throws a bucket of confetti over car at 'Jimbo's carwash'.

"And I want you to meet Coco, your anesthesiologist."

"I told you playing Pin the Tail on the Donkey was a dumb idea."

'The fun begins when we go through airport security.'

"So, you say I'll be doubling the numbers of animals I kill?"

'Ok, here comes farmer Brown, put these on and remember.......act natural!'

Bigfoot and the Loch Ness Monster have some fun with the tourists...

One vampire tricks another behind a mirror.

Hair Crop Circle

Harry Potter learns some 'new tricks' on his first day enrolled in a public school.

'Alright, which one of you wise guys pulled the fire alarm?'

I'm prepared to admit that you may have startled me a bit, sure!

A spider is afraid of another spider's mask.

"What are you looking at, four eyes?"

Deer Season Open.

"The note in the bottle said someone's stranded here, but where is he?"

'It's called 'cause and effect.' I pound this log and Tarzan goes bananas.'

"I think the ants are mooning me again."

Atomic Bear: Part 22

"Housekeeping?!"

"Eat me"

Clown God

Brian's canine Tread-o-Sod saved him the trouble of cleaning up after Mitzi.

Harsh Mellows.

"See, Og If mammoth foot ticklish, could me do this"

101 uses of a dead cat: disguise.

'Come on, I dare you: I say you can't drink a whole dew drop...'

'Look behind you. . . Just kidding.'