Parallel Dimension Explorer T-Shirts

"Hi! I'm Zorg, your cubicle-neighbor from parallel universe A142073..."

The fate of the emigrant

'I pledge allegiance to the atom, and to the periodic table on which it stands, many particles indivisible, with orbitals and electrons for all.'

"By the way, the failing grades you'll be seeing-they won't be virtual."

Quantum Psychic

The Physiciatrist...

"I'm just checking in from an alternate timeline to see how things are going."

"Time passes much more slowly in the other dimension, so take these sudokus."

Wormholes: Portals To Other Universes.

There are planets where lifeforms are almost human...

Bumper Limos

"Some people think the CEO has the most power, but I select everyone's chairs."

"Must go now Zelda. The builders have just arrived"

"Try staying in the same dimension as everyone else."

The loneliness of the particle physicist...'Everyone's interested in things that are much, much larger.'

'This parallel universe theory is interesting, Dave. Tell me more.'

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

"One small step for a znargh—a giant stride for znarghkind!"

'Dad, how come we know the speed of light but no mention of the speed of dark?'

"No offense, Hank, but this parallel universe theory of yours is a little far-fetched."

"I've always known R.H. would be able to do that!"

'He's a great manager because he has extra dimensions.'

"Occasionally, the membrane between parallel universes ruptures."

"Well, you say it's wrong, but it could be correct in an alternative universe."

'I'm not texting you because I'm your counterpart in low-tech universe.'

Man falling down neverending staircase.

You are unique... unless there's a parallel universe.

"And this bit down here is about actually how to do the job."

Goldilocks and the 3 bears

The Rude Butler.