"Whose Line Is It Anyway?" host Aisha Tyler swings by to discuss her new movie, "Axis" (which she funded via Kickstarter!) — and challenges Rach to a game of improv! Then, British gourmet Nigella Lawson shares the PERFECT brownie recipe for your emergency sugar cravings! (Walnuts and sea salt, YUM.) Plus, Dr. Kristi Funk is answering your breast questions (get it?), and Rachael's serving a new chicken dinner — Balsamic Marinated Chicken Legs, Green Tomato Salad and Corn With Garlic Butter.