Based on the filename , you are referring to one of the most acclaimed episodes of the series, " Luck of the Fryrish " (Season 3, Episode 4). In this episode, Fry searches for his lost seven-leaf clover in the ruins of Old New York, believing his brother Yancy stole his identity and his luck.
The Ghost of Luck Past: A Retrospective on "Luck of the Fryrish" Futurama_-_3x04_-_Il_quadrifoglio_-_DDS_-_DvdRi...
The "Legendary Philip J. Fry" wasn't the brother Fry hated; it was the nephew he never knew—a man who achieved greatness because his father loved and missed his brother so much. 4. Legacy and Themes Based on the filename , you are referring