Primitive Pranksters Mugs

'... And as soon as it's discovered, don't play with fire!'

'Hurry, wipe it off before Dad comes home!'

The first car accident.

'Some of those youngsters have come up with a terrific new idea - feathers.'

Early photobombing

Retirement homes' 'pill fight'.

"Admit it, we're lost."

'Wow, Jimmy, that's pretty good!'

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

'Let's throw ball. Running game not working.'

'You know what they say...live fast, die young and leave a great fossil.'

'AAAARGH!...Get it off! Whatever the hell it is...Get it off!'

"Can you stop complaining about historical inaccuracy and try to enjoy yourself for one minute?"

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

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

"See? Look what happened to Ook! - I WARNED you about evolution."

The invention of the wheel and the axel.

ABC Diapers. Comfy Tushy Diapers. Now 3 times more absorbent! Note to self: Drink 4 times more juice.

"We can speak freely now. I've encrypted the line."

Mook's regret after inventing fire.

'Your father's a genius kids. First he discovered fire and now marshmallows.'

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

'So! -- You're the one who's been stealing the office supplies!'

"I think we overordered."

'Hey, Fred! You have a relative visiting.'

Someone's going to have to tell him he's adopted...

'Jurassic Pork.'

'I was just rubbing sticks together for fun -- I didn't realize I was doing basic research.'

'I'm sorry, Mr. President, he can't come to the phone right now...he's doing that crazy hand jive.'

'Catch a pair of chimps and do a complete makeover on them.'

The Proctolosaur

"You spoil that Hamster."

Back to the Holidays

"You ghosts are pretty cool. I wish I could be more like you..."

'Let's just keep quiet about this, and maybe some terrorist group will claim credit.'