"Dirty Epic" is a 1994 single by Underworld. The track was originally released in an instrumental form as "Dirty" in 1992, credited to the group's short-lived alias, Lemon Interupt. It was reworked with lyrics for their 1994 album, dubnobasswithmyheadman, and was released as a single in the USA on 18 July 1994. The original Lemon Interupt mixes "Dirty" and "Dirty Guitar" were included on the "Dirty Epic" single, now credited to Underworld.