During the FMV where Squall saves Rinoa from being frozen in the cryogenic capsule at the Sorceress Memorial, and he catches her in his arms, his right hand is on her right shoulder. When the shot changes, his right hand is on her hair.
After Squall is dressed up in his uniform, he leaves his dormitory room located in the North area first floor of Balamb Garden and he leaves the North area. But when Quisits calls for Squall at the First Floor Lobby. Squall approaches from the South as though he's entering the school from the front gate.
After the briefing by Headmaster Cid, Seifer, Squall, Zell and Quistis leave for the Balamb Parking garage which is located on the Northeast end. However, they approach the northeast parking garage by exiting to the south entrance to get in the van at the northeast parking garage to head for Balamb town.
If the player decides to destroy X-ATM092 robot on the bridge, then it will no longer pursue them in Dollet City. However the parked car that would've originally got crushed doesn't get crushed. Later on when Squall's party revisits Dollet, they meet the car owner man who's parked car would've been crushed by X-ATM092 robot which didn't happen, he still decides to buy a new car regardless of whether his car was damaged or not.
When Squall, Zell, Quistis and Selphie go to the dance ballroom party, Squall is seen meeting Riona for the first time dancing with her and later talks to Quistis on the balcony. However once Squall leaves the ballroom dance party, he cannot revisit it until the end of the game in the credits. It's unknown where the ballroom party was at but it may have likely been located at the 2nd floor of Balamb Garden.
After Zell's hoverboard called T-board was confiscated by the Balamb staff member. Zell later reveals that he had a spare hoverboard in his bedroom which he could've taken and be used in the Train hijacking mission, or in the clash of the garden fight.
When the 3 teenage girls mention about going to the movie theater in Balamb Garden, there's no movie theater that's located anywhere. It may likely have been located at Balamb Garden at the northwest corner where the concert hall is at or at an outdoor theater in Balamb Town but the game doesn't explain where the theater is located at.
After the Battle of the Gardens with Balamb Garden and Galbadia Garden in disc 2, Galbadia Garden is never seen again for the remainder of the game. After Headmaster Martine is kicked out of Galbadia Garden and is living at Fisherman's Horizon. It's unknown what became of Galbadia Garden or if Headmaster Martine ever came back to the school.