Originally released in 2007.
Special features: Audio commentary by director Werner Herzog, producer Henry Kaiser and cinematographer Peter Zeitlinger; "Under the ice" featurette; "Over the ice" featurette; "Dive locker interview: Werner Herzog talks with Rob Robbins and Henry Kaiser" featurette; "South Pole exorcism" featurette; "Seals and men" featurette; Jonathan Demme interviews Werner Herzog; theatrical trailer.
Director of photography, Peter Zeitlinger ; underwater photography, Henry Kaiser ; editor, Joe Bini ; original music, Henry Kaiser, David Lindley.
English dialogue, Spanish subtitles; subtitles for the deaf and hard of hearing.