Time-traveling Barber Mugs

Caveman with a stylish hairstyle walks out of a cave marked with a barber pole.

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

"Let's just say I have a pre-existing condition."

"Meet the scribe"

Historical memory is on life support.

Moses on the web

'That's about it so far, Son.'

"We're following Carrot Top."

The Missing Sock Returns

If time travel was invented in 1600 in England. I'm a fan of the bard. Let's see if he wants to take a journey through time. Globe Theater. Sounds fun! Let's go to 2020. It's a nice round number. Zazzz! Poof! That's weird. How did they know he was coming? And why does he need to leave this place? Apparently you can't be here, William. The sign says "No Shakespeare in the park this summer."

"So then, after I'd invented my time machine, I thought: why not go back and visit the good old days?"

Second hand furniture.

E=mc2.

Pinocchio's Second Realization

"Babe, I'm gonna leave you... It may take a few eons, but I am definitely gonna leave you..."

Einstein develops his theories that time is relative while ordering at a fast food restaurant.

'I'd say it's six of one and one half doxen of the other.'

"Please! No harmonizing during ululations!"

"Damn. I took the Rip Van Nyquil."

"Wait... what was it I came up here for?"

"While you were working on fire, I was working on my satellite. Once we figure out how to launch it into the heavens, other inventions will follow, like phones, GPS, weather predictions. . ."

Time for vacation, time for work.

"Early model of baggage claim"

"About how if the dark ages never happened we'd be so much more technologically advanced by now."

Danger Slow Sand.

"I'm going to prove that Math comes in handy later in life."

'You know what they say - 'Those who don't learn the lessons of history are doomed to go to summer school.''

'This new game isn't working out -- the ball keeps running away.'

"It seems like only yesterday that Dad told me I'll be an adult before I know it."

'I used to spring forward. Now all I can do is fall back.'

'When I met him he was all bright and shiny - now he's a rust bucket.'

"This just in... the country has adopted a 24 hr military clock... ...details at 23."

"More quarters! For God's sake, more quarters!!"

"I don't know who you are!"

'I like the history professor but I think he's mired in the past.'