Thursday / Envy is a split album containing tracks contributed by the screamo acts Thursday and Envy. It was released exclusively in a package containing the album on both 180 gram 12" vinyl and on CD — individual CDs or vinyl have not been made available. Three limited screen printed editions have been made available exclusively through web stores as of September 15, 2008. The album has since seen a limited release in cassette format, all 500 copies of which were sold exclusively through independent record label, Academy Fight Song's web store.

Thursday ( or ) is the day of the week following Wednesday and before Friday. According to the ISO 8601 international standard adopted in most western countries, it is the fourth day of the week. In countries that use the Sunday-first convention, Thursday is defined as the fifth day of the week. It is the fifth day of the week in the Judeo-Christian liturgical calendar.