A coffee substitute that does not cause jitters, organic plant-care products, and an easier way to floss. Guest Shark Candace Nelson returns.

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.

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

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.

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

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 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.

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.

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.

Recurring guest Shark and KIND Snacks founder Daniel Lubetzky returns to the Tank as entrepreneurs present vegan mushroom bacon, a mobile bartending class, healthy peanut butter for dogs and huggable plush toys that play custom songs for children.

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

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.

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.

"Shark Tank" rings in the holiday season as the Sharks look to spread festive cheer to four new entrepreneurs. They are presented with business opportunities that are sure to turn anyone's spirit merry and bright.

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

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.

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

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.

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

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.

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