Kate confronts her past. Randall's viral fame leans to an unexpected discovery. Kevin debates his future.

Cast: Milo Ventimiglia, Mandy Moore, Sterling K. Brown, Chrissy Metz, Justin Hartley, Susan Kelechi Watson, Chris Sullivan, Jon Huertas, Caitlin Thompson, Niles Fitch, Logan Shroyer, Hannah Zeile, Mackenzie Hancsicsak, Parker Bates, Lonnie Chavis