You will Watch The Simpsons Season 27 Episode 9 online for free episodes with HQ / high quality. Stream cartoons The Simpsons S27E09 Barthood. Bart’s coming of age story a la “Boyhood” chronicles his life from six years old to his time as an accomplished young man. Along the way, his tense relationship with Homer, an overly uncaring version of himself, and Lisa, who overshadows him in every way possible, shape Bart more than he realizes. As a boyhood spoof, Bart’s life story is told including flashbacks to when he was 6 and flash forwards into the future. Containing fights with Homer and being overshadowed by Lisa.