Go Inside the This is Us Season 2 Premiere Party With the Cast

The cast of This Is Us joined forces with PEOPLE and Entertainment Weekly for a special premiere celebration of the season 2 premiere – which revealed, among other things, a huge puzzle piece into the mystery surrounding Jack's death. Ahead, check out the stars from the show partying after watching the premiere together.

And be sure to catch up on every moment from the season 2 debut in EW's live viewing party of the premiere!