Prehistoric Times Explorer T-Shirts

Attack from the skies.

'The wheel was great, but what have you done for me lately?'

'Well, there's something you don't see every day'

"We're following Carrot Top."

Caveman's dog with head outside car window.

"Is this the best investment strategy you could come up with?"

Physician tending a mummy.

'Don't ask me why but he feels a great deal of pride in calling it his 'man-cave'.'

'It's an extinction notice.'

"Look, Professor - a stegosaurus!"

Tourists in Egypt

'The dreaded Anachronisaurus strikes again!'

Atomic Bear: Part 21

"Admit it, we're lost."

"I did my report on time travel, but my dog ate my homework in the future."

Another Theory as to Why Dinosaurs became Extinct.

The Evolution Of Man.

'We need to have a shake-up!'

'Your 'marriage' invention sounds good, but what if it leads to a concentration of power for the central government?'

"How the hell is that supposed to feed us?"

'Look, Dad! -- I taught Shep to walk on his hind legs!'

"I'm you from the future! Or the past. I've completely lost track of time."

'When do they learn to stand upright?'

"Life after death"

The First Sentence Fragment: 'Hey, don't -'

So, that's bipedalism? It doesn't look very ergonomic.

'We froze him until medical science knows how to cure spear wounds.'

'I'm tired of playing 'Rock, rock rock'.'

A caveman rubs two sticks together and gets a computer.

The invention of the wheel and the axel.

Souvenirs.

"What does the time traveler do when he's hungry? Go back four seconds."

"All I'm saying is now is the time to develop the technology to deflect an asteroid."

Unfortunately, napkins hadn't been invented yet, so good ideas were quickly forgotten.

"Your wheel idea was a huge hit, so what have you got for me this time?"