Time-traveling Dog T-Shirts

'Carbon date if you must but I'd stake my reputation on it being a July, 1993, Sunday Roast!'

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

"Meet the scribe"

Historical memory is on life support.

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

"We're following Carrot Top."

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

Caveman's dog with head outside car window.

Second hand furniture.

Theorbo

Pinocchio's Second Realization

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

"Please! No harmonizing during ululations!"

"Damn. I took the Rip Van Nyquil."

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

"Early model of baggage claim"

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

Time for vacation, time for work.

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

Sundial Time

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

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

Danger Slow Sand.

You had me at vintage.

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

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

"I don't know who you are!"

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

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

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

"We have plenty of time to catch the ark."

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