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... (more) 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.