NHK総合テレビジョン
Early Japanese panel shows include ("Source of the Story"), based on "Information Please" on NHK Radio 1 from 1946 to 1964; ("Twenty Doors"), based on "Twenty Questions" on NHK Radio 1 from 1947 to 1960; ("Gestures"), a charades show on NHK General TV from 1953 to 1968; and ("My Secret"), based on "I've Got a Secret" on NHK General TV from 1956 to 1967.