A beauty product that combines luxury and glamour with safety and quality; a product for cutting cheese; a space-saving beauty organizer; a way to remove pet hair from clothes; an update on FitFighter.

An entrepreneur from San Francisco, California, tries to show the Sharks the upside of investing in her women’s undergarment subscription service. A chef from Falls Church, Virginia, brings out his effortless approach to a classic breakfast meal. An entrepreneur from New York City shows the Sharks her eco-friendly alternative to collecting dog waste. A scientist and former competitive body builder from West Orange, New Jersey, pitches his healthy take on a beloved snack food.

Jax Sheets; reusable, eco-friendly, more comfortable bed sheets that will last you and your spouse year-round (NO), The Pizza Cupcake; pizza flavored bagels shaped like cupcakes (YES), IceBeanie; cooler technology in a beanie to relieve chronic stress headaches, especially after high energy sports games (YES), Draft Top; can opener to remove can tops from draft beer, as well as any other canned beverages (YES)

Ideas include a training system for salespeople, a management system for cargo trucks, family-friendly Las Vegas entertainment and a cat-portrait business. Also: a follow-up on a Season 2 potty-training product for cats.

A shark wants to invest $4 million in a business; a toy-rental business; a bacon-scented wake-up call; an update on a deal from last season.

Will Sharks Barbara and Kevin seal a deal with a kiss when two guys from Utah ask them to sample their flavored mix-and-match lip balm kissing product? A self-professed gadget guy from Ketchum, ID calls a Shark’s lucrative offer “insane” regarding his revolutionary clothing item; during their heated negotiation, the entrepreneur calls Apple Computers co-founder Steve Wozniak for advice. A newlywed from Rockledge, FL who lost her job the day before coming to the Tank hopes the Sharks will invest in her and her husband’s line of innovative, clever kitchen products; and a husband from Derby, KS pitches the Sharks a heat-recycling device which his wife calls “common sense in a box.” Also, a follow-up on Greenville, SC’s Kim Nelson’s homemade Daisy Cakes, which Barbara invested in during Season 2.

An edible flower company; a way to be active yet protected while under the sun; a clean makeup brand; a modern dental tool used for oral care; an update on Foam Party Hats.

The Tank is transformed into a winter wonderland, and entrepreneurs present Sharks with business opportunities that celebrate the magic of the holiday season.

An 11-year-old inventor from San Clemente, California, recycles a skateboard deck to fit inside lockers and backpacks; an entrepreneur from Meridianville, Alabama, revolutionizes aerial sports; a husband and wife team from Vicksburg, Mississippi create outdoor camping gear; and an entrepreneur from San Francisco, California, claims her five-minute meditation app will help the world reduce stress.

Tensions rise when Mark Cuban urges entrepreneurs to ignore the other sharks and negotiate only with him.

A father and his 15-year-old son from Cincinnati, Ohio, share their solution for storing paint efficiently. Two tech-savvy entrepreneurs from Somerville, Massachusetts, show off their portable electric vehicle charger. A husband and wife from Milltown, New Jersey, pitch their product designed to keep garments safe from bacteria and odor. An entrepreneur from Portland, Oregon, tries to convince the Sharks he’s brought blankets into the 21st century.

A healthy alternative to salt; a spring-loaded cake stand; an entertaining approach to the tried-and-true carving knives often used during holidays; a product designed to attach a cellphone to almost any surface.

An Iraq war veteran from Baltimore, Maryland, pitches her unique fitness system. A husband and wife from Ossining, New York, share their high-tech headband designed to provide the brain with a boost of energy. A mother-and-son duo from Houston, Texas, introduce their festive party hats. An entrepreneur from Sonoma, California, pitches his wine made from honey.

CloseCousins from Houston, Texas, prove it’s go big or go home with their line of giant, inflatable holiday ornaments. A husband and wife from Normal, Illinois, have come up with a solution for his lingering in the bathroom. An entrepreneur from Salt Lake City, Utah, shares his unique way to shred on the slopes, while an entrepreneur from Windham, New Hampshire, alerts the Sharks to a safety hazard for kids in the winter.

A former WNBA player knows what athletes want in a sports drink; an entrepreneur enlists the help of a superstar to show off his work from home necessity; a couple's secret to "sexy time."

A convenient way to eat healthier meals while bettering the planet; stress-relief tools; innovative apparel that keeps drinks cool and hands free; a no-fuss solution to keeping babies busy and entertained.

An eco-friendly approach to sausage making; an ultra-portable product designed to keep things cool; a unique take on riding the waves; a solution for a common problem parents face while shopping with their newborn; an update on Hug Sleep.

An invention that helps prevent the spread of germs; a smart, refrigerated safe that makes contactless delivery more secure; an at-home probiotic maker grows on the Sharks; a spacesuit-influenced gadget guard.

A new way to experience art; an innovative cleaning tool; vegan food that isn't boring; a portable and rechargeable solar-powered device; an update on Bug Bite Thing, an insect sting treatment company.

An athlete from Houston, Texas, pitches his portable basketball shooting machine. An entrepreneur from Los Angeles pitches her no-bake and nutritious snacks. Two entrepreneurs from Elmore and Chagrin Falls, Ohio, respectively, share how to keep their sneakers clean. A pair of entrepreneurs from Boulder, Colorado, pitch their all-in-one beer making device.

A twist on the traditional ice cream cone; a gadget to help control a cellphone safely while on the move; an app for travel enthusiasts; innovative winter equipment; an update on Bee Sweet Lemonade.

An all-in-one styling device for textured hair; a multiuse water bottle; a baby bottle monitor that signals spoiled milk; swim goggles that will not pull one's hair; Emma Grede returns as guest shark.

A self-tanner geared toward men; a new-and-improved flashlight; a reusable cup service for marathoners; an authentic instant pho.

An heirloom keepsake trunk; an easy-to-sew quilt kit; a line of seamless swimsuits and outdoor performance socks created for women; Jamie Kern Lima guest sharks.

A one-of-a-kind icebreaker game; a practical hat storage solution; a no-mess chicken feeder; a construction-themed park for families.