"Celebrity Rehab" is a reality television series that aired on VH1, focusing on celebrities struggling with addiction. The show features a group of famous individuals who enter a rehabilitation facility to confront their substance abuse issues, guided by professionals in the field. Throughout the series, viewers witness the challenges and progress of the participants as they undergo therapy and support each other. The show aims to raise awareness about addiction and the recovery process, while also providing entertainment through the personal stories of its cast members, including notable figures like Dr. Drew Pinsky.