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After Lisa (voice of Yeardley Smith) bemoans the lack of variety in the Simpsons' dining habits, Homer (voice of Dan Castellaneta) warily takes the family out for dinner to Springfield's leading Japanese restaurant, The Happy Sumo. While Homer is initially suspicious of sushi, he discovers he quite likes it once he tastes some, and ends up trying everything on the menu. The last item, however, is a rare variety of blowfish sushi, and the Master Chef (voice of Sab Shimono) is afraid it may have been cut incorrectly -- making it poisonous. Dr. Hibbert (voice of Harry Shearer) informs Homer that he may have only 24 hours to live, and Homer is determined to make the most of his last day, vowing to spend a final bit of quality time with Lisa, Bart (voice of Nancy Cartwright), Marge (voice of Julie Kavner), and Grampa (voice of Castellaneta). One Fish, Two Fish, Blowfish, Blue Fish first aired on January 24, 1991.