The Clean Bottle is a water container that unscrews from the bottom as well as the top for ease of cleaning.
An artistic man hopes the sharks are interested in his cat drawing service and anoother man pitches a system to improve a salesperson's skills.
The Sharks hear pitches on a fragrance that smells like money, luxury soap with a twist, a unique guitar learning system and a blinking accessory for jeans.
A towel that provides coverage to change out of a swimsuit in public.
A Texas family asks for an investment in a jewelry line.
The sharks tear into a man who claims to have created a watch with health benefits, and a mother tries to save her gourmet pretzel business.
Pitches include a flavored mix-and-match lip-balm kissing enhancer, a line of kitchen products, a heat-recycling device and a clothing item that the guy pitching it says is "revolutionary." He calls Apple cofounder Steve Wozniak for advice. Also: a follow-up on a South Carolina woman's Season 2 homemade Daisy Cakes.
Pitches include body jewelry, a movable basketball-training apparatus, an organic skin-care product and a "Rent-a-Grandma" business. Also: an update on a Season 1 barbecue restaurant.
Singer Ingrid Michaelson joins a would-be entrepreneur who's pitching high-tech music software. Other pitches include an "instant" solution for cellulite; a sales distribution method for a stand-up paddleboard; and a wine-aerating device. Also: a follow-up on a Season 3 magnetic clip to secure eyeglasses.
Pitches include beer-flavored ice cream, packaged meals for pets, safety wear for motorcycle enthusiasts and clothing that features digital art. Also: a follow-up on a carry-on luggage attachment from Season 2.
For the first time, an entrepreneur who walked away from a deal returns to the Tank and is given another chance at the American dream. During the revived negotiation that started in Season 2, James Martin from The Dalles, OR phones Jim Koch, co-founder of Samuel Adams beer, for advice on the Sharks' latest offer to invest in Copa Di Vino, a plastic wine-in-a-cup business.
The sharks fight over a three-in-one nail polish; a feisty couple present what they think is the next trend in women's accessories; two hockey moms pitch their idea for tank tops.
The man who created Rollerblades seeks an investment for his new invention.
Billy Blanks Jr. asks the sharks to invest in a dance fitness program, a music producer seeks investment and college students pitch flavored peanut butter.
The sharks fight for a chance to go into business with an inventor; two fitness trainers pitch their idea for a unique home gym; a young man seeks an investment in his age-defying products.