At the end scene when the boat explodes it catches the trees and grass opposite the pond on fire, in the final shot, behind the closeup shot of the group walking away, the trees are no longer on fire.
When Chloe lists the bad TV reunion specials she showed James, she mentions "Facts of Life Goes to Paris." This was not a reunion movie. It was a TV special that aired while the series was still on. The Facts of Life Reunion didn't air until 2001.