"Guess Who?" is a television series that aired in the United States, featuring a unique format where contestants guess the identity of a mystery guest. The show typically involves a panel of celebrities who ask yes-or-no questions to narrow down the possibilities and ultimately identify the guest. The series is known for its engaging interactions and humorous moments, making it a popular choice for family viewing. It has inspired various adaptations and has become a staple in game show history, showcasing the fun of deduction and teamwork among participants and viewers alike.