Proposition Infinity (generally referred to as "Proposition 8"), which banned same-sex marriage in California in November 2008. The title of the episode is derived from Proposition 8, turning the 8 sideways to create the symbol for infinity (∞), hence "Proposition ∞". Though the episode satirizes arguments for same-sex marriage, it leans favorably toward the idea of allowing same-sex marriage. The theme of the episode revisits the social taboo of robosexual relationships presented in earlier episodes "Space Pilot 3000" and "I Dated a Robot". Openly gay actor George Takei of "Star Trek" fame, who married his partner in California during the debate over
The Sky Moves Sideways version of "The Sky Moves Sideways" which includes both "Prepare Yourself" and "Stars Die". A triple vinyl edition was also released in the same year, by Headspin Music record label, including a 7-inch single with two versions of the song "Men of Wood", the first was taken from "The Sky Moves Sideways" recording sessions and the 2000 mix was previously included in the "" compilation. A double vinyl edition was released in 2012 by Kscope. This vinyl edition features a new "anti-loudness" remaster which is closer to the natural dynamics of the original masters. The track list was the same