Keeping Up with the Kardashians is an American reality television series which focused on the personal and professional lives of the Kardashian–Jenner blended family, airing between 2007 and 2021. Its premise originated with Ryan Seacrest, who also served as an executive producer. The series premiered on the E! cable network on October 14, 2007, and ran for 20 seasons over the span of almost fourteen years, becoming one of the longest-running reality television series in the US. The final season premiered on March 18, 2021. The series focused mainly on sisters Kim, Kourtney, and Khloé Kardashian and their half-sisters, Kendall and Kylie Jenner. It also featured their parents, Kris and Caitlyn Jenner, and brother, Rob. Partners of the Kardashian sisters also appeared on the show. Keeping Up with the Kardashians was critically panned since its premiere.