Well , there are only 18 episodes in season 10 , and back in 2004 before the finale NBC aired 2 special episodes (Friends.S10E19x20-The.One.With.All.The.Other.Ones) that are no more than just scenes from all 10 seasons .
And you should watch the UNCUT version .
Friends.Complete.UNCUT.DVDRip.XviD-TvT
Friends.S01.UNCUT.DVDRip.XviD-SAiNTS
Friends.S02.UNCUT.DVDRip.XviD-SAiNTS
Friends.S03.UNCUT.DVDRip.XviD-SAiNTS
Friends.S04.UNCUT.DVDRip.XviD-SAiNTS
Friends.S05.UNCUT.DVDRip.XviD-SAiNTS
Friends.S06.UNCUT.DVDRip.XviD-SAiNTS
Friends.S07.UNCUT.DVDRip.XviD-SAiNTS
Friends.S08.UNCUT.DVDRip.XviD-SAiNTS
Friends.S09.UNCUT.RERiP.DVDRip.XviD-SiSO
Friends.S10.UNCUT.RERiP.DVDRip.XviD-SiSO
EDIT : On the other hand the Quality is not that good , the 720p release is just for the first 3 seasons(for now) .
Season 4-10 are not yet in true HD