The 4 season of Never Seen Again was broadcast on Paramount+ from mardi 8 août 2023 to mardi 8 août 2023. It consists of 10 episodes, the first one is called "Kristen Galvan, Bissonnet Street, Part One" and the last one "Aubrey Dameron, A Bright Star Dimmed".
Each episode a member of a different family will recount the last time they saw their loved ones before they vanished into thin air. Following missing sons, daughters, brothers, sisters, boyfriends or girlfriends.