i have seen two version of this video
the first version is where yuna is on top of airship singing then she transformed into lenne then shuin show up plus the bevelle monks
the bevelle monks killed them
the second one is where THE REAL TIDUS IS SHOWN!!
HE WAS WASHED UP IN BESAID AGAIN
HE AND YUNA MEET, HUG, and the AUROCHS waive at them plus Lulu showed to them the baby