Shark Tank Sezon 9 Odcinek 1: Locker Board, WYP Aviation, Sierra Madre Research, Simple Habit (120 min)

The Sharks debate if the solution to make coffee taste even better from two entrepreneurs from Cedarville, Ohio, is too much of a niche product; an entrepreneur from Woodland Hills, California, is at the forefront of a hot trend for those who need to increase their focus while decreasing stress; a high-energy mom from La Center, Washington, has a product that will make kids love brushing their hair; and two men from Midvale, Utah, surprise the Sharks about the danger of something they wear every day. Also, a follow-up with Tara Brown from San Diego, California, and Sleep Styler, which Lori Greiner invested in during season 8.