Mandy Moore recently opened up about the second season of, ?This is Us.? She stated, ?There was a trigger in the second episode for me around mothers and daughters that I was like, ?Whoa, I have some issues with my mom that I clearly have to work out. This is really hitting a nerve with me.? Fans who are excited to see what Moore is talking about, should know that ?This Is Us? premieres on NBC September 26th.