01/24/2012 01:17 pm ET

'Extreme Couponing All-Stars' Finale Exclusive Sneak Peek (VIDEO)

Who's the extremist of the extreme couponers? The "Extreme Couponing All-Stars" finale (Tues., Jan. 24, 10 p.m. EST on TLC) will crown someone the Ultimate Extreme Couponer with a very fitting prize: a Golden Shopping Cart.

These couponers have been competing all season for savvy shopper superiority, and now, it's down to the final three, who will battle it out for the big win. We've got an exclusive sneak peek at the finale, which takes place in the gambling capitol of the world, Las Vegas.

So what will Sin City challenge the couponers with? They all have to shop in the same store, at the same time, with the exact same coupons. If you think it sounds like a game, watch the clip: This competition gets intense! Who knew buying bottled water in bulk could be so suspenseful?