NBC?s breakout family drama returns for new episodes this fall on a brand new night, Thursdays (more on that later!), but the circumstances surrounding the death of the beloved Pearson patriarch, Jack, still remains one of the show?s biggest mysteries. ET caught up with series star Milo Ventimiglia, who addressed whether fans will learn just how Jack died in the new season. Short answer: It may come sooner than you think! RELATED: 'This Is Us' Stars Surprise Fans in Heartwarming Video That'll Make You Cry ?I mean, look, for it not to happen, that would be a slap in the face,? the 39-year-old actor told ET?s Leanne Aguilera at the NBCUniversal Upfront blue carpet in New York City on Monday, seemingly confirming that the question will be answered in season two.