The third season of the American television series This Is Us continues to follow the lives and connections of the Pearson family across several time periods.

The season is produced by Rhode Island Ave. Productions, Zaftig Films, and 20th Century Fox Television, with Dan Fogelman, Isaac Aptaker, and Elizabeth Berger serving as showrunners.

The season stars an ensemble cast featuring Milo Ventimiglia, Mandy Moore, Sterling K. Brown, Chrissy Metz, Justin Hartley, Susan Kelechi Watson, Chris Sullivan, Jon Huertas, Melanie Liburd, Niles Fitch, Logan Shroyer, Hannah Zeile, Mackenzie Hancsicsak, Parker Bates, Eris Baker, Faithe Herman, Lonnie Chavis, and Lyric Ross.

[33] In August 2018, Michael Angarano was cast to recur as Nick Pearson, Jack Pearson's brother;[34] the character was first mentioned in the second season, and previously was depicted only briefly as a child.

[35][36] Production on the season officially began on July 10, 2018, in Los Angeles.