関連ワード:  is gravity falls getting season 3    will gravity falls get season 3    is gravity falls season 3 coming out    is gravity falls season 3 confirmed    is gravity falls season 3 coming    is gravity falls season 3    is gravity falls season 3 out    is gravity falls season 3 possible    is gravity falls season 3 coming out 2025    is gravity falls season 3 coming out 2024