ENTREPRENEURS PROMISE A SPECIAL ADDITIVE TO WATER WILL MAKE THE BEST CUP OF COFFEE, AND A HIGH-ENERGY MOM HAS A SOLUTION TO A HAIRY PROBLEM, ON ABC'S 'SHARK TANK'

"Episode 906" - 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 eight, on "Shark Tank," FRIDAY, DEC. 22 (8:00-9:01 p.m. EST), on The ABC Television Network, streaming and on demand. (Rebroadcast. OAD 10/8/17)

The Sharks in this episode are Mark Cuban, Kevin O'Leary, Barbara Corcoran, Lori Greiner and Robert Herjavec.

"Shark Tank" is broadcast in 720 Progressive (720P), ABC's selected HDTV format with stereo sound. This program carries a TV-PG parental guideline.