Big Fan is an American short-lived game show that debuted on ABC. The series premiered on January 9, 2017.
The US TV network ABC announced Big Fan in February 2016. The series is based on a segment on Jimmy Kimmel Live! called Who Knows...?, in which a contestant competes against a celebrity or sports figure of whom he or she is a fan, answering trivia and biographical questions about the star.
The half-hour series is hosted by Andy Richter, with Jimmy Kimmel, David Goldberg, and Caroline Baumgard as executive producers, and Banijay Studios North America producing.