A long-established source for an easy punchline, Abraham "Grampa" Simpson regained a measure of dignity when The Simpsons revealed his World War II past as the Sgt. Rock-inspired Sergeant Abe Simpson, commander of the Flying Hellfish. The Season 7 episode, "Raging Abe Simpson and His Grumbling Grandson in 'The Curse of the Flying Hellfish'" wove an installment about Bart Simpson learning to respect and understand his grandfather around a wartime epic involving treasure and mystery. The episode serves as an example of showrunners Bill Oakley and Josh Weinstein's edict to balance the heart at the core of the family-centric animated sitcom with expanding the world of Springfield and developing The Simpsons' growing cast of characters (for better or for worse),
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