"Long Island Medium" is a reality television series that follows the life of Theresa Caputo, a self-proclaimed medium who claims to communicate with the spirits of deceased individuals. The show highlights her personal life, including her family and friends, while showcasing her readings for clients seeking closure or messages from loved ones who have passed away. The series premiered on TLC in 2011 and quickly gained popularity due to its emotional content and Theresa's charismatic personality. Each episode typically features several readings, where Theresa shares messages from the deceased, often leading to heartfelt reactions from those receiving the messages.