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.

Products include a low-calorie chocolate, a wine to pair with pizza, a medical eye patch for children and an herbal soap for eczema.

An immersive murder mystery experience; an app that turns any video into a game; self-service grocery stores; allergen-free baked goods; guest Shark Jason Blum.

A damage-free wall light; an umbrella with two handles; a silicone placemat with an edge; a gluten-free alternative to popcorn.

A state-of-the-art bionic prosthetic device; artisanal desserts for dogs; a bug-catching device; insulated water bottles guaranteed to keep beverages cold for 36 hours.

Tilt-able and flippable reading glasses; an exciting educational game for kids; high-tech ski goggles; a line of delicious dessert toppings.

Entrepreneurs present spellbinding, spine-tingling business opportunities; Blumhouse CEO and founder Jason Blum joins the panel as a guest shark.

Kitty litter that signals health issues; a chic lunch box; high-performance baby blankets; bodysuits designed for women in uniform; Good American CEO Emma Grede returns as guest shark.

An ergonomic bike seat; an app that simplifies wedding planning; a post-workout muscle recovery soap; a simple tool to add bling to hair.

A robotic burger vending machine; bespoke hats that display hometown pride; customizable footwear; a resistance band to develop the perfect jump shot; guest shark Michael Rubin.

A portable outdoor game that combines pickleball and Spikeball; a pet-sitting service for weddings and events; a high-fashion bodysuit; gourmet made-to-order French fries.

Beauty products specially formulated for redheads; a stylish bird house equipped with a hidden camera; an app for plant care; a splash guard for bath time.

A vegan marshmallow creme; a non-invasive digital pet thermometer; a drawing app that utilizes augmented reality; a line of Filipino American sauces and condiments.

A robotic personal chef for the home; an easy-to-install dual showerhead; premium chocolate birthday candles; a nursing cover with a built-in fan.

Guest Shark Daniel Lubetzky; products include a lightweight, reusable sandbag; an earth-friendly alternative to human composting; leggings for men; and toasty, ready-to-eat Latin American foods.

Recurring guest Shark and KIND Snacks founder Daniel Lubetzky returns; vegan mushroom bacon; a mobile bartending class; healthy peanut butter for dogs; huggable plush toys that play custom songs for children.

An accessory for using the bathroom outdoors; a collection of tiny building materials for hobbyists; a stickable guitar pick; a line of customizable children's clothing.

Guest Shark Michael Rubin; a bot service for consumers; frozen beef Wellingtons; a baseball glove wrapper; a dating advice service.

Good American CEO Emma Grede guest Sharks; an artisanal vegan cheese company; emergency underwear; a suitcase designed for wine bottles; an alternative to the traditional bra.

Sprinkles Cupcakes founder Candace Nelson returns as a guest shark; a modern tinned seafood company; a diaper-changing helper; a brake for skateboards; lightweight packable meals.

"Shark Tank" rings in the holiday season as the sharks look to spread festive cheer to four new entrepreneurs.

A protein bar with a brain-health mission; a coffee substitute that does not cause jitters; organic plant-care products; an easier way to floss; guest Shark Candace Nelson.