Launched in 1964, BBC Two carved out a unique niche as the home for highbrow and avant-garde content – programmes that would have been square pegs in the round holes of BBC One’s family-friendly lineup. Serving as a fertile testing ground for cutting-edge comedy and eclectic arts programmes, BBC Two was the launchpad for what were initially considered “niche” shows, many of which eventually earned a promotion to the primetime slots of BBC One.