UGH, I love #3 so so much!
It brings back all of those wonderful Season 1 memories... when Matherine's connection was coming to light. BUT, I agree that #15 is more emotional and more significant. So,
#3 for me. Oy, this hurts.
#3 - 3 (Amanda, Stephen, Keri)
#15 - 2 (Holly, Rita)