^ The research center isn't closed on Disc 4, you can still go to it.. :P
And I'm not sure if you can save Cid, but I read somewhere that you might be able to if you get the fish or something.. XD
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Adopted FF Character | FF Pet | Anime Character | Game Character: Aerith | Gold Chocobo | Skuld | Xiao Qiao
Weapon: The First Tsurugi
Member of the Death Flash Clan
Straight on this long, continuing road.. There is surely something to believe in..