'This Is Us': Chrissy Metz on Whether Toby & Kate's Marriage Will Last (Exclusive)

ET sat down with the actress, where she teases what's next for Toby & Kate in Season 4 of 'This Is Us', which airs Tuesdays on NBC. Chrissy also talks about performing her Oscar-nominated song 'I'm Standing With You' from her film, 'Breakthrough' at the Academy Awards telecast on Feb. 9.