"The Girls Next Door" is a reality television series that aired from 2005 to 2010. The show follows the lives of three women, Holly Madison, Bridget Marquardt, and Kendra Wilkinson, who lived in the Playboy Mansion with Hugh Hefner, the founder of Playboy magazine. It provides a glimpse into their daily activities, relationships, and experiences within the glamorous yet complex world of the mansion. The series highlights the friendships and dynamics among the women, showcasing their personal growth and aspirations. Each episode features various events, parties, and interactions with other Playboy models and celebrities, offering viewers an entertaining look at life in the mansion.