FF1: Going to Bahamuts lair and getting promoted from a lowly Fighter/White Mage/Black Mage/Monk to a less lowly Knight/White Wizard/Black Wizard/Master.

FF2: Guy can speak beaver... wtf? Ooh, and Josef's death.

FF4: Palom and Porom, Rydia getting swallowed by Leviathan, Cecil turning from Dark Knight to Paladin. And of course, "YOU SPOONY BARD!!" tee hee.

FF5: Galuf's death....

FF6: KEFKA!!!!

FF7: Aerith's death, Sephiroth, Cloud, the bad translation and character sprites.

FF8: Squall and Rinoa on the Ragnarok, Selphie (my fave character).

FFTA: Getting Ritz and Shara on my team, finding a way to get rid of Montblanc (although I never did).