Canning, Robert; Goldman, Eric; Iverson, Dan; Zoromski, Brian (January 8, 2010). "The Simpsons: 20 Seasons, 20 Episodes". IGN. Archived from the original on March 4, 2012. Retrieved January 14, 2022.
Grelck, David B. (September 25, 2001). "The Complete First Season". WDBGProductions. Archived from the original on February 2, 2009. Retrieved September 15, 2011.
Grelck, David B. (September 25, 2001). "The Complete First Season". WDBGProductions. Archived from the original on February 2, 2009. Retrieved September 15, 2011.
Canning, Robert; Goldman, Eric; Iverson, Dan; Zoromski, Brian (January 8, 2010). "The Simpsons: 20 Seasons, 20 Episodes". IGN. Archived from the original on March 4, 2012. Retrieved January 14, 2022.