For the first time ever Dr. Oz's biggest fans compete for the coveted Purple Glove trophy! Do they remember enough about the past three seasons to be crowned the winner? Plus, the uber-fans reveal their favorite health tips and tricks.

View Part 1 of Dr. Oz's Ultimate Viewer Showdown.


View Part 2 of Dr. Oz's Ultimate Viewer Showdown.

View Part 3 of Dr. Oz's Ultimate Viewer Showdown.

You've heard of red wine and white wine but have you ever heard of blue wine? This blue version of wine is given a taste test to see how it compares to the classics.