 Presentations on "Special Delivery" were varied in focus and origin.A May 1984 issue of "Boys' Life" referred to the programs shown on "Special Delivery" as "fill-in shows" compared to the rest of Nickelodeon's lineup.Most programs were aimed at family audiences, but in an attempt to emulate the success of sister network MTV, Nickelodeon occasionally aired rock-and-roll concerts as part of the block.