Doe Deer is a song from Toronto-based band, Crystal Castles, released on their second self-titled album, Crystal Castles. The release was limited to 500 copies on 12" vinyl. The EP was a special release for UK's record store day.[2] Prior to the release, Doe Deer was played on UK's Radio 1, and rips began to circulate around the internet. The 12" gained special attention because 3 unreleased tracks from 2004 were featured as B-sides to the lead track. The song was featured in the episode "Nick" of Season 5 of Skins.