This Is Us Season 3 First Look Trailer & Featurette - 2018 NBC Drama Series starring Milo Ventimiglia, Mandy Moore, Sterling K. Brownbr Subscribe: br About This Is Us Season 3br The TV writer went on to explain that "all bets are off" this season when it comes to following the three sibling storylines. "So maybe we'll do an episode where every act is a different time. Maybe we'll have something that jumps five timelines in an episode," he said.