Fathom Events, Turner Classic Movies and Sony Pictures Entertainment are bringing Guess Whos Coming to Dinner to select cinemas nationwide for a special two-day event, which also includes an introduction from a TCM host. Joanna (Katharine Houghton) comes home with John (Sidney Poitier), her new fiancé. Although hes a successful doctor and a Nobel Prize candidate, her parents, Christina (Katharine Hepburn) and Matthew (Spencer Tracy), are taken aback when they discover John is black. And as Johns parents also have their doubts over the impending marriage, the good doctor has his work cut out for him, as he wont marry Joanna unless theres unanimous parental consent.