Sunglasses, Bread, Diamonds and Mystery Shopper - S1.E8

Sunglasses are perhaps the most important accessory you can own. Find out which shades and which lenses will do the best job at protecting your eyes from the sun's harmful rays. The Shopping Bags point out that not all bread is created equal. It all comes down to reading the fine print. And sure, a diamond is a girl's best friends. A groom-to-be learns that shopping for the diamond, not the ring, is a shining example of getting the best value for your money. And the mystery shopper tries to get a better deal by paying cash. Will it work?