Ryan and Sterling chat before Enuka Okuma joins to discuss Xavier and Teri's meet-cute. Then, Sterling reunites with his "This Is Us" daughter and "Paradise" PA, Eris Baker, and Professor Jonathan Mijs unpacks the research that helped build Paradise.

Ryan and Shailene try to recover from a shocking twist in Annie's journey. Sterling and James unpack Xavier and Cal's unique bond, and the bunker's first birth. Then, writer-producers Stephen Markley and John Hoberg describe writing this intense episode.