VIDEO: Sneak Peek - An 18-Year-Old Inventor Visits SHARK TANK on ABC

On the next episode of ABC's SHARK TANK, a pair of charismatic entrepreneurs from Los Angeles swim around offers for their device that prevents objects from slipping through what MARK CUBAN calls the "carmuter triangle" - that gap between the car seat and center console.

Also, a fresh-faced 18-year-old from Pittsburgh, PA sweet talks the Sharks to invest in her natural skincare line of sugar scrubs, an idea she came up with at the age of 11; a man from Attleboro, MA hopes to wrap up a deal with his shrink wrap gift bags.

And two men from Plymouth, MN present a tasty solution that could stem a looming ecological problem caused by the predator-free Lionfish. Maria Curcio and Veronica Perlongo from Freehold, NJ, who made an unprecedented deal with all five Sharks in Season 4, give an update on BuggyBeds, a product that provides around-the-clock bedbug detection, on "Shark Tank," FRIDAY, MARCH 29 (9:01-10:01 p.m., ET) on the ABC Television Network.

The Sharks in this episode of "Shark Tank" are MARK CUBAN, LORI GREINER, ROBERT HERJAVEC, Daymond John and Kevin O'Leary.