Neil Patrick Harris' better half, David Burtka, is back to co-host with Rachael, and he's making his kids' favorite: Chicken Tot Pie! Then, Instagram influencer Hannah Bronfman (with over 500K followers!) is breaking down her tricks for looking younger and having more energy. (Celery juice, anyone?) And "Shark Tank's" Barbara Corcoran is answering her most-asked career questions. Meanwhile, it's taco night for Rach!

Pint-sized powerhouse Kristin Chenoweth is in the house, and she's getting us into the holiday spirit, dishing on the 16th annual "Christmas with the Tabernacle Choir" performance! Then, our audience puts "Shark Tank’s" Barbara Corcoran on the spot for her advice on everything from careers to relationships. Not to mention that we've got a gadget guru with this year’s coolest holiday tech. In the kitchen, Rach is making a Cast-Iron Skillet Buffalo Chicken Shepherd's Pie!