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
Number 1 to Infinity after Canadian megastar Celine Dion announced that she had postponed dates of her residency at Caesars Palace to care for her husband, René Angélil, who was suffering from cancer. Aside from singing "Infinity" at her residency, Carey performed a medley of her 1990 debut single "Vision of Love" followed by "Infinity" at the "Billboard" Music Awards on May 17, 2015; it was her first performance at the ceremony in seventeen years. Andrew Hampp for "Billboard" described the performance as "octave-leaping" and one of the most memorable of the night. Other promotional appearances included "Jimmy Kimmel Live!" and "Live! with Kelly