Ultraman Boy's Ultra Coliseum (ウルトラマンボーイのウルころ Urutoramanbōi no uru koro) worked as a way to introduce younger children to Tsuburaya Productions' heroes and monsters. Hosted by Ultraman Boy, a new invention, each 5 minute-long episode provided info on the different Ultra Heroes, monsters, and robots, plus, featured "new" battles by combining stock footage from the various series.