NBC has released a new trailer for Season 4 of its family dramedy, This is Us . The series returns with a fresh episode on Sept. 24. {"preview_thumbnail":"https://cdn.flowplayer.com/6684a05f-6468-4ecd-87d5-a748773282a3/i/v-i-f…","video_id":"f169187f-30e5-4fcd-8a3d-27be6681c8b1","player_id":"8ca46225-42a2-4245-9c20-7850ae937431","provider":"flowplayer","video":"Top 5 Arab Stars that Owned the Gypsy Look"} This weekend's 80-second preview shows beloved characters Rebecca (Mandy Moore) and Jack Pearson (Milo Ventimiglia) in a flashback to their younger years, discussing how crossing paths with strangers can influence their lives in unexpected ...