"Peep and the Big Wide World" premiered on April 12, 2004, on Discovery Kids and on TLC as part of their "Ready Set Learn" children's block, and on the same day on TVOKids and Discovery Kids produced by WGBH-TV, 9 Story Entertainment, Eggbox LLC, Alliance Atlantis (Seasons 1-3), Discovery Kids (Seasons 1-3), Sprout Originals (Seasons 4-5), and Echo Bridge Entertainment (Seasons 4-5).