The Simpsons their advertising. As a promotion for "The Simpsons Movie", twelve 7-Eleven stores were transformed into Kwik-E-Marts and sold "The Simpsons" related products. These included "Buzz Cola", "Krusty-O" cereal, pink doughnuts with sprinkles, and "Squishees". In 2008 consumers around the world spent $750 million on merchandise related to "The Simpsons", with half of the amount originating from the United States. By 2009, 20th Century Fox had greatly increased merchandising efforts. On April 9, 2009, the United States Postal Service unveiled a series of five 44-cent stamps featuring Homer, Marge, Bart, Lisa and Maggie, to commemorate the show's twentieth anniversary. "The Simpsons"
The Simpsons 2007, "The Simpsons" reached their 400th episode at the end of the eighteenth season. While "The Simpsons" has the record for the number of episodes by an American animated show, other animated series have surpassed "The Simpsons". For example, the Japanese anime series "Sazae-san" has over 7,000 episodes to its credit. In 2009, Fox began a year-long celebration of the show titled "Best. 20 Years. Ever." to celebrate the 20th anniversary of the premiere of "The Simpsons". One of the first parts of the celebration is the "Unleash Your Yellow" contest in which entrants must design a poster for the