Lisa's First Word promotion due to the 1984 Summer Olympics boycott by the Soviet Union, as happened to Krusty. At one point in the episode, Dr. Hibbert refers to Olympic gymnastic medalist Mary Lou Retton. In its original American broadcast, "Lisa's First Word" was watched by 28.6 million viewers, the most-watched episode of the season. It finished thirteenth in the ratings for the week of November 30 to December 6, 1992, with a Nielsen rating of 16.6. The episode was the highest-rated show on Fox that week. It acquired the highest national Nielsen rating of the show since the season two episode "Bart
Apogee Books a Hurrah" - The Huntsville Times (Aug 27 2005) 11. Kiss, J.Z. "Beyond Earth" - Choice Magazine (Nov 2006) 12. Oberg, J. "A Rocket Family Album" - IEEE Spectrum (Feb 2002) 13. Hiscox, J. "X-15 - The NASA Mission Reports" - Astronomy Magazine (May 2002) 14. Taylor, R. "Apollo 11 Vol 3." - Spaceflight (Dec 2002) 15. Kelly, J. "Von Braun's vision not far off" - Florida Today (Nov 16 2003) 16. Giilk, S "Out-of-this-world Publisher" - The Enterprise Bulletin (Mar 10 2006) 17. Taylor, B "Armchair Astronaut" - The Toronto Star (Dec 27 2001) Apogee Books Apogee Books is