"The Substitute" is a reality television series that aired in 2010. The show features a unique concept where a successful business executive goes undercover in a low-performing school, posing as a substitute teacher. The goal is to understand the challenges faced by educators and students while also identifying areas for improvement within the school. Throughout the series, the executive interacts with students and staff, gaining insights into their daily struggles. The show aims to highlight the importance of education and the impact of leadership on school performance, ultimately seeking to inspire positive change in the education system.