Overview: Hairstylist-to-the-stars Chris Appleton is sharing simple solutions for at-home hair problems — like how to cover up gray roots without color. Then, Boris Kodjoe, who plays a firefighter captain on "Station 19," is chatting with Rachael about the new season. And the stars of the NatGeo show "Critter Fixers: Country Vets" are answering viewers' questions about their pets. For dinner, Rach is making Super Fun, Super Easy Beef Chow Fun!