Watch the “Happy Birthday to the Big Three” clip on the NBC drama series This Is Us, created by Dan Fogelman.
This Is Us cast:
Milo Ventimiglia, Mandy Moore, Sterling K. Brown, Chrissy Metz, Justin Hartley, Susan Kelechi Watson, Chris Sullivan, Logan Shroyer, Hannah Zeile and Niles Fitch
Stream This Is Us on Peacock!
