VIDEO: Sneak Peek - 'Three Sentences' Episode of THIS IS US on NBC

On the next episode of THIS IS US on NBC titled "Three Sentences," Jack and Rebecca get in over their heads when they decide to throw Kate, Kevin and Randall three separate parties for their 10th birthday. Randall struggles to make time for William as things intensify at the office. Kevin makes a major decision in his romantic life. Kate's gastric bypass journey takes an unexpected turn. The episode airs Tuesday, January 24th on NBC. Get a sneak peek below!

About the show: Sometimes life will surprise you. Starring Mandy Moore (“A Walk to Remember”), Milo Ventimiglia (“Heroes,” “Gilmore Girls”) and Sterling K. Brown (“The People v. O.J. Simpson: American Crime Story”), this refreshingly honest and provocative series follows a unique ensemble. As their paths cross and their life stories intertwine in curious ways, we find that several of them share the same birthday, and so much more than anyone would expect. From the writer and directors of “Crazy, Stupid, Love.” comes a smart, modern dramedy that will challenge your everyday presumptions about the people you think you know.

Chrissy Metz, Justin Hartley, Chris Sullivan, Susan Kelechi Watson and Ron Cephas Jones also star.