Proposition Infinity the method used for "Proposition Infinity", as the team felt that most viewers would not have a strong opinion for or against robot and human intermarriage, thus lightening the potentially polarizing nature of the source material. "Proposition Infinity" was inspired by the political battle over California Proposition 8 in the United States and heavily satirizes the controversy over same-sex marriage. The title is a reference to California Proposition 8 with the "8" sideways, thus becoming the symbol of infinity (∞). The camp where Bender is being reprogrammed parodies conversion therapy camps for homosexuals. The episode also satirizes the people against
The Sky Moves Sideways half the length of the one on the UK release. Additionally, the two parts of the title track on this version have been split into a number of sections. The album was remastered and re-released as a two disc collection in 2004, including expanded and demo material. The song "The Sky Moves Sideways (Alternate Version)" represents outtakes and a work-in-progress mix of the original vision of the album as a single 34-minute track. The version of "Moonloop" here has three minutes of additional material previously available only on an EP, and is split into two tracks. This is the only