Watch the official “How Jack Sees The Big Three” clip from This is Us, Season 4. The NBC drama series stars Milo Ventimiglia, Mandy Moore, Sterling K. Brown, Chrissy Metz, Justin Hartley, Susan Kelechi Watson, Chris Sullivan, Logan Shroyer, Hannah Zeile and Niles Fitch.<br /><br />This is Us is now streaming on Peacock.<br />
