As the season is nearing its end and viewers' questions are answered, the cast of NBC’s This is Us breaks down the episode 15 of the show’s second season in a web extra "That was Us."

The after show features actors Mandy Moore, Milo Ventimiglia and show creators.

The groups discuss show themes, like dealing with the loss of Jack.

This is Us is a drama that follows an extended family and the unique life struggles they each face. It airs Tuesdays at 9 p.m. on NBC. Watch full episodes on