(during the chatter) Swing, swing, swing, once! — Backyard Baseball

Backyard Baseball is a series of baseball video games for children which was originally developed by Humongous Entertainment. It was first released in October 1997 for Macintosh and Microsoft Windows. Later games were featured on Game Boy Advance, PlayStation 2, GameCube, Wii, and iOS. It is part of the Backyard Sports series, of which this series serves as its first sub-series.