Quiz! Doremifa Don! is a music quiz variety show that aired regularly on Fuji Television from October 3, 1976 to April 3, 1988, and has since aired irregularly as a special program. It is produced by Watanabe Productions (Watanabe Entertainment since October 2020). The host is Tadao Takashima during the regular broadcast period (including the early years of the special program period), and Hideyuki Nakayama since the special program period (1995-present).