8.5Movie Grave of the Fireflies (1988) Apr. 16, 1988 Grave of the Fireflies (1988) IMDb: 8.5 1988 89 min 9678 views Watch Grave of the Fireflies (1988) full episodes online free watchcartoononline. Synopsis: In the final months of World War II, 14-year-old ... AnimationDramaWar