Broadcast programming is the strategic organization of radio and television shows into daily, weekly, or seasonal schedules, designed to attract and retain audiences, maximize airtime, and deliver target demographics to advertisers. This practice began in 1936, initially filling prime time slots, and has evolved significantly; with the rise of digital on-demand services, traditional scheduling is now often called "linear television." A key strategy involves using "lead-ins" and "lead-outs," where new or lower-profile shows are aired immediately before or after highly popular "tent-pole" programs to capitalize on audience flow. For example, Late Night with David Letterman successfully launched in 1982 as a lead-out for The Tonight Show Starring Johnny Carson, significantly boosting its viewership and host's career. Another technique, "hammocking," places a less popular program between two strong ones. This meticulous planning is vital for a show's success and for broadcasters to effectively compete in today's dynamic media landscape.