FFIV: When Rydia returns, Golbez regaining his senses
FFV: Galuf's death, Going to Galuf's world
FFVII: Cosmo Canyon
FFVIII: Attack on Garden, Rescuing Rinoa in space
FFIX: Zidane losing it, Alexandria being destroyed, Vivi at Black Mage Village
FFX: Destruction of Home, The Wedding, Mt. Gagazet

That's a start