A couple from Fort Worth hope to interest the Sharks in their unique way to swaddle a baby. Other pitches include: a nail salon just for men, a better version of the athletic sock, and a free charging station for mobile phones. Also: Mark and Barbara take entrepreneurs to see their products on display at Target stores.

An inflatable, solar powered lighting device; backpacks made from traditional fabrics from various countries; air vents for smart homes that can control air flow to individual areas; an app that helps match students to scholarships; an update on Bottle Breacher.

An olive oil bar where one can sample oils before purchasing; unique wedding registry idea; a product that can turn a smartphone into a personal security device; boxed wine geared toward millenials; a follow-up on Breathometer.

An elegant lighting solution; wearable sleep technology; a food bar for dogs; actor Dean Cain and MMA fighter Uriah Faber help pitch custom-tailored suits.

Barbara and Kevin take part in a demonstration for an innovative way to tie the knot, and a Pittsburgh native gives an update on her prospering business of sugar scrubs. Also: Two young women pitch toys designed to empower the next generation of female engineers and innovators, a family man tries to sell his design for a porcelain coffee mug that is both elegant and functional, and a finer, more precise golf putter is presented to the Sharks.

Stuffed animals that also serve as washcloths; a handmade wearable sling to carry dogs; a darts-like card game.

The Sharks hear a pitch for hypergravity-exercise clothing, as well as a line of products that appeal to fans of facial hair, and a karaoke machine that adds jaw-dropping vocal harmonies to help users sound like their favorite singing stars. Also: belts that are easy for kids to use, and a follow-up on Barbara's Season 5 investment in a company specializing in hand-knitted socks and leg warmers.

A stamping kit that proves Santa Claus visited a home; a man hopes his book and plush toy will become part of the Jewish holiday tradition; an easier way to move Christmas lights from storage to display mode; a flexible device that eases pain.

A vest with a twist that was inspired by a girl's science project; baking healthy, homemade cookies; a cleaning solution for water bottles; re-usable fabric stickers.

Dog chews made from yak and cow milk are pitched to the Sharks. Other products include colorful lipsticks that are organic; and there's an update on protein-packed nut spreads invested in by Robert and Mark during Season 4.

A sustainable soil replacement for peat moss; sweet-flavored wipes for cleaning kids' faces.

Nick Woodman; a cafe where the patrons enjoy the company of rescue cats; electric compact vehicle.

The Sharks consider a business idea for affordable wedding cakes brought to them by a mother and son from Grand Rapids, Mich. Also: a Houston restaurateur with a solution to a common problem encountered while dining out, and an update on a screen repair fix-it kit that Lori invested in during Season 5.

A Brooklyn man pitches his business of foldable, wheeled luggage; a Texas woman makes soaps, washes and grooming products; a fashionable line of sports apparel for women; a single-serve wine product; an update on some of Lori Grenier's investments.

A dating app that introduces singles to friends of friends; a new way to eat a bagel.

Everything pitched to the Sharks is made in the U.S. Included: custom recruitment clothing for sororities; simple tools, which are used to open a Thai coconut and extract the meat; and an invention that can transform any pickup into a "Truck-U-V." Also: an update on a teen who runs a designer bow tie company.

Collectibles for super fans of celebrities; a mobile app for reserving a barstool on busy nights; a men's clothing line that is made in America; a revolutionary high-tech insole for shoes. Also: an update on Pork Barrel BBQ that Barbara invested in during season 1.

A very life-like, synthetic human for medical testing; personalized super hero action figures; an affordable online service to help you quickly achieve a high-end interior room design; a sunscreen full-body misting device; Also, an update on the Squatty Potty, that Barbara Corcoran invested in during Season 6.

Entrepreneurs include the owner of an all-female golf caddy company, a couple who believe they have come up with a better, safer way for kids to bounce, and a trio who pitch to the Sharks their fun spin on a classic faceware accessory. Also: an update on Mark Cuban's $2 million investment in the Los Angeles Haunted Hayride during Season 4.

All six sharks share their favorite memories from the series, discuss why they participate in the show, and celebrate with a toast.

Guest shark Nick Woodman; pitches include a healthier tortilla chip made of fresh sweet corn, manufactured fire logs that are scented, and an update on Tipsy Elves.

Almond water beverage line; eco-friendly pizza box; real estate investing business; cell phone sanitization solution; update on photo-saving product, Groovebook.

A device to eliminate clogged sinks, real grass delivery service for pets, and a climate-controlled bed.

A cattleman from Peoria, Ill., returns to show the Sharks what he has learned about the gourmet meat business since he first appeared on the show during Season 4. Also: a lingerie line that's sewn by women in need; and an update on Barbara Corcoran's Season 6 investment in Pipcorn.

Pat Boone and a man from Vermont present a new eco-friendly car that runs on compressed air.