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Gwyneth Paltrow, CEO and founder of lifestyle juggernaut Goop, makes her first appearance in the tank as a guest Shark.

First into the tank is an entrepreneur from San Francisco who hopes the odds are stacked in his favour with his healthier version of a favourite breakfast indulgence.

A husband-and-wife team from Austin, Texas, introduce their elevated product designed to keep your beverages crisp and cool, while entrepreneurs from New York City yearn to wrap up a deal with their low-calorie superfood alternative.

Last into the tank is an entrepreneur from Los Angeles, California, who wants to help change the world with her ecofriendly version of a baby product.