This episode is partly inspired by the story of Christopher McCandless, a young man who rejected civilization to go and live in the wild where he was ultimately found dead. His story was told by Sean Penn in the film Into the Wild (2007).
The second of Chip Johannessen's three scripts for the second season. Johannessen has since admitted that he was unsure of Glen Morgan and James Wong's direction that they took Season 2 in - and that skepticism filters into his script as it is largely quite critical of the Millennium Group.
One of the key themes of this episode is astrological convergence - an idea that Megan Gallagher suggested to writer Chip Johannessen in casual conversation.