I, Don Quixote is a non-musical play written for television, and broadcast on the CBS anthology series DuPont Show of the Month on the evening of November 9, 1959. Written by Dale Wasserman, the play was converted by him ca. 1964 into the libretto for the stage musical Man of La Mancha, with songs by Mitch Leigh and Joe Darion. After a tryout at Goodspeed Opera House in Connecticut,Man of La Mancha opened in New York on November 22, 1965, at the ANTA Washington Square Theatre.