Brad Pitt Exclusive! Our candid chat with the "Once Upon a time in Hollywood" Oscar nominee. What he’s only telling ET about that "SAG" moment backstage with Jennifer Aniston that broke the internet and does he remember the first rule of "Fight Club?" Plus, Thomas Markle opens up about his grandson, Archie and why he thinks Meghan owes him. And, more intimate details ripped from the pages of Jessica Simpson's tell-all "Open Book." What she says about her time with Nick Lachey. Then, "Engage!" Patrick Stewart is back in the highly anticipated premiere of "Picard" and you’ll meet his cute new puppy. "Station 19" star Boris Kodjoe is our special guest co-host and he’s sharing secrets about tonight’s big crossover with "Grey’s Anatomy."