#1 Hits Explosion is a greatest hits compilation album by The Apples in Stereo. It was released on September 1, 2009 by Yep Roc Records. The album culls songs from various LPs and EPs released by the band between 1995 and 2007.An accompanying booklet for the album features liner notes by Jeff Kuykendall of the Elephant 6-related website Optical Atlas.A six-song EP titled #2 Hits Explosion is available exclusively to those who order the album via the band's official website.