Title from container. DVD, region 1, NTSC, widescreen (16x9 enhanced); Dolby Digital stereo.; 2xDVD9 + DVD5. Presented by Brian Cox.
Disc 1. Empire of the sun / written & directed by Gideon Bradshaw -- Order out of chaos / written & directed by Michael Lachmann -- The thin blue line / written & directed by Chris Holt ; Disc 2. Dead or alive / written & directed by Paul Olding -- Aliens / written & directed by Michael Lachmann ; Horizon documentaries : What on earth is wrong with gravity? (2008) / written & directed by Paul Olding - executive producer, Andrew Cohen ; series producer Danielle Peck ; BBC Productions ; a BBC/Science Channel co-production ; 2 entertain.