SUPERFOX5

Forgotten Friendship was aired on TV as a special. It had bad pacing (edited badly), it has, like a placeholder generic comedy background track. It felt incomplete.

Then Hasbro decided to upload 10 minute episodes of Forgotten Friendship on their Youtube channel. It was the full version, showing more scenes, having the right background track. Well everything was perfect, except one of the most important 10 minutes episodes was in mono! No stereo sound. So the real version cannot be recovered.
Then Netflix put up their version, which was just the old one with placeholder music.

Forgotten Friendship was one of my favorite episodes ever of MLP, but it was more emotional, and the background track is kinda ruining that emotional part. If it was the correct version, maybe it would have been the best of them all.

interesting, I assume the youtube version is still around?

Hard to tell. Hasbro put up so many different language versions of their videos, that it can be difficult to find. It was back in 2019 as well, so quite some time ago.

However, I made sure I got them downloaded at the time they first appeared on Youtube (Forgotten Friendship is too important to me, and I don't trust Youtube).