TotallyNotNyx

I definitely found it the most emotional episode of FIM. And I'd rank it pretty high among my favorites too (it was my favorite in season 7).

Yeah I have to agree that it was really emotional episode. 

I really liked the balance in the episode. There wasn't too much romance, while having the story told by friends and family really gave Bright Mac and Pear Butter a "lost, but not forgotten " vibe.

It is hard to rival Perfect Pear in sheer emotional impact, although you could argue that if it had come earlier in the series we would not have had the emotional investment in the apple family that feeds into that (and of course similarly the crusaders of the lost mark episode)

But I can also see @Megas' argument for Sleepless - at that point we have much less interaction with the CMC, but Scoots' emotional vulnerabilty while attempting to put up a brave front, her rescue by Luna, then confession to Dashie all made this highly impactful, and more so on re-watching with the benefit of hindsight.