ABC's "Shark Tank" - Season Seven

SHARK TANK - "Episode 717" - A 16-year-old environmentalist from Melbourne, FL has an eco-friendly way to say goodbye to plastic bottles; a former soap star villainess from Sherman Oaks, CA wants the sharks to make a deal with her one-piece swimsuit that can keep you sun-safe and stylish; two men from Washington, DC pitch an app that creates exercise play lists for the everyday person; and a man from Corinth, TX promises to expose the hidden, dirty secrets lurking in your mattress. Plus, a follow up on Chris Gilpin from Sanford, FL and Signal Vault, his business that protects consumers from crowd-hack-attacks, in which Lori Greiner and Robert Herjavec invested in during Season Seven on "Shark Tank," FRIDAY, FEBRUARY 19 (9:00-10:01 p.m. EST) on the Disney General Entertainment Content via Getty Images Television Network. (Photo by Michael Desmond/Disney General Entertainment Content via Getty Images) BEN YOUNG, GREG COLEMAN (SWORKIT)