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The first demonstration of the concept of zero fails to catch on. Explain it again, please.

Jurassic Parking Lot

"Any questions?"

As the world emerges from the last ice age Ug & Og discuss a historic agreement to reduce CO2 emissions from woolly mammoth barbecues.

'The wheel was easy, the owner's manual is hard!'

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OOG & SONS HUNTING & GATHERING

"The invention of taxidermy."

The First Cone of Shame.

"I'll carve the wheels, you'll sell them, and Oog, here, can be customer service."

"My dad can't talk yet, but he's learned to wave bye-bye."

'You know, until we learned to walk upright, I never realized how short you are.'

Stoneage business ethics: 'But, hey, this 'ethics' stuff isn't carved in stone!'

'Quit fooling around, Gog. Do the assignment.'

Caveman invents an armchair and his dog sits in it.

Used wheels

'He's majoring in cave hydrology with, obviously, the ultimate aim of being a caveman like his Dad.'

"Don't bother gathering carbs for me, I'm on the Paleo diet."

"When I grow up, I want to be a scientists like Uncle Grog."

'Walk upright?. . . But what about banana peels?'

I don

'I'm afraid this is going to lead to regulation of my invention.'

In prehistoric times, there were hunters, gatherers and guys who never had change.

"Too much club."

Grok's Thought Stopping.

'My axe is all dull! -- Have you been using it to shave your legs again?'

50,000 BC: The First Engagement Ring.

"Frankly, dear, I think you've been on this paleo diet much too long!"

Cafe: 'Soup of the day, Hon, is 'primordial'.'

'Hey! -- what have you done with my invention?'

Prehistoric son going "Baroooom...Barooom!" on dad's stone wheel

'Another invention? -- You are SUCH a geek!'

"You spoil that Hamster."

'Daddy's busy - Go draw on the wall.'

"I call it angle-poise"