Celtic Frost - A Dying God" was directed by Swiss journalist and documentary filmmaker Adrian Winkler, whose team followed CELTIC FROST for two years on the road during the group's final undertaking, the Monotheist Tour, in 2006 and 2007. Winkler captured CELTIC FROST across Europe, Japan, and the United States, as well as at the Wacken Open Air and Hole In The Sky festivals. In addition, the documentary features dedicated interviews with the group's members.