Enter the unpredictable waters of Shark Tank where some of the best business minds in Australia wheel and deal and battle each other for investments in the ingenious ideas of everyday people.

Among the pitches this week: edible bugs. Yep, bugs. Will it prove too much for some Sharks to stomach? Also, an electronics entrepreneur and tech-savvy Shark, Steve Baxter, face off in the Tank.

Among the pitches this week: an electronic shark deterrent, but will it scare off investments from the business sharks? Plus, a 14-year-old makes a presentation that leaves the entrepreneurs astounded.

This episode features a designer producing the world's best drinking furniture, a would-be entrepreneur keen to create an Army of Wigettes and Mexican hot sauce makers.

This episode features a clever reworking of the traditional first aid kit, an innovative peg guaranteed to ease the chore of hanging out washing and a guitar which allows kids to learn songs in minutes.

This episode features the world's smallest portable washing machine; a pedal-powered device to charge GPS, phone and lights on bicycles; novelty bottle openers; and a purpose built haunted attraction.

Whose story will leave John McGrath unable to gather his words? Is it a unique childcare operation, a former pro skateboarder, a family party business, or the mum and dad chocolate operation?

Will it be the Italian fast food franchise, the natural deodorant for teenagers, the plastic tongue scraper, or the designer of a course booking website who is mauled by the Sharks?

When Sharks go on the attack it ain't pretty, as one former Big Brother contestant learns when he and his business partner are less than forthright with their financials in the Tank.

This week Shark Tank showcases the passion of three young Australians who have been bitten by the entrepreneur bug and are carving out their niche in their respective fields.

A 'mumpreneur' is one of four enterprising Australians to enter the tank seeking an investment from the Sharks. But will she sink or swim?

Nearly every man on the planet loathes buying underwear and one entrepreneur enters the Shark Tank this week with an idea to capitalise on a task most men will put off - or palm off - at any cost.

Confidence is key when it comes to business, but one husband and wife team who enter the Shark Tank this week may have overestimated the might of their business.

Australian Indigenous art is the oldest tradition of art in the world dating back over 30,000 years. However, it has never been offered for sale to the public like it is on this episode.

One young mum enters the Shark Tank this week with a largely unavailable product for full figured women. But can she convince the Sharks to invest to take it global?