Plot: “Star Trek” legend William Shatner is in the hot seat taking our audience’s rapid-fire questions! And HGTV’s “Cousins” are going back to basics with DIY so easy, even a kid can do it -- like how to measure, drill and paint. Plus, we're having a grandma and a granddaughter switch places in what we’re calling a “Generation Swap!” Plus, Rach serves up beef and bean skillet nachos