Q: When is “Grey’s Anatomy” coming back? Will this be the final season? -- Y.K. A: The long-running hit medical drama “Grey’s Anatomy” returns to ABC on Thursday, Oct. 6, at 9 p.m. E.T. Joining the cast as a new class of residents are Harry Shum Jr. (“Crazy Rich Asians”), Adelaide Kane (“SEAL Team”), Alexis Floyd (“Inventing Anna”), Niko Terho […]