Funniest moments from past GOP debates ... and a Trump preview

With the first Republican debate of the 2016 election season upon us, what a perfect time to relive some of the funniest moments from debates past.

From Mitt Romney attempting to make a $10,000 bet with Rick Perry, to no avail, to Gary Johnson's infamous "two dogs" moment from 2011, the political exchanges have been peppered with entertainment over the years.

Only time will tell if tonight's discourse results in similarly memorable quips -- but with all eyes on the perpetually politically incorrect Donald Trump, there will surely be something to talk about in the morning.

To prepare yourself, check out the ten 2016 GOP candidates who will be going head to head tonight:

Need help prepping for tonight's debate? Check out our cheat sheet guide to the 10 Republicans facing off tonight.

And what about the ones who didn't make the cut? We've got the round up of those politicians ...and what they might have said if they were making the primetime show.

The two-hour debate will air live on Fox News Channel at 9 p.m. ET -- and you can come to AOL.com to catch the livestream.