Santa's Little Helper greyhound's lack of intelligence. In an article that compared "The Simpsons" to the animated series "Family Guy", Todd Camp of the "Fort Worth Star-Telegram" noted that "though Santa's Little Helper may be the only Simpson who's dumber than Homer, the Griffins' pooch <nowiki>[</nowiki>Brian Griffin<nowiki>]</nowiki> is the brainiest member of the household". In 1991, Copley News Service's Alison Ashton described Santa's Little Helper as a "sweet and stupid dog". Tom Coombe of "The Morning Call" wrote in 2002 that "fans of "The Simpsons" will tell you that the cartoon family's dog [...] is often dumb, disobedient and skittish. Fans of the
The Simpsons show. The celebration ended on January 10, 2010 (almost 20 years after "Bart the Genius" aired on January 14, 1990), with "The Simpsons 20th Anniversary Special – In 3-D! On Ice!", a documentary special by documentary filmmaker Morgan Spurlock that examines the "cultural phenomenon of "The Simpsons"". As of the twenty-first season (2009–2010), "The Simpsons" became the longest-running American scripted primetime television series, having surpassed "Gunsmoke". On April 29, 2018, "The Simpsons" also surpassed "Gunsmoke"s 635-episode count with the episode "Forgive and Regret." "The Simpsons" has won dozens of awards since it debuted as a series, including 31 Primetime Emmy