Severance is an American science fiction psychological thriller TV series created by Dan Erickson and primarily directed by Ben Stiller. It premiered on Apple TV+ on February 18, 2022, and has received critical acclaim for its cinematography, direction, production design, musical score, story, and performances

. The show centers on employees at Lumon Industries who have undergone a "severance" procedure—a medical intervention that surgically divides their memories so that their work selves ("innies") have no recollection of their personal lives, and their personal selves ("outies") have no memories of work. This creates two distinct personalities within each employee. The protagonist, Mark Scout (played by Adam Scott), leads a team in Lumon's Macrodata Refinement department and navigates the mysteries and consequences of this memory separation

. The series features a notable cast including Adam Scott, Patricia Arquette, John Turturro, Christopher Walken, Britt Lower, Zach Cherry, and others. It has been nominated for multiple Emmy Awards and won for Main Title Design and musical score

. The second season premiered on January 17, 2025, continuing to explore the ramifications of the severance procedure and deepening the show's central mysteries. The series has been renewed for a third season as of March 2025

. In summary, Severance is a critically acclaimed sci-fi thriller TV show on Apple TV+ that explores the psychological and ethical implications of splitting work and personal memories through a fictional medical procedure at a mysterious corporation