So I was playing a round of team battle with 3 of my amiibo

The amiibo and I were losing pretty badly, but in the end we managed to make a come back, and we won.

Since I thought that was a pretty awesome battle, I saved a replay of it.

I go to watch my replay, but near the end of the battle, I jumped off the stage and the amiibo on my team got killed.

And the other team won...

I was thinking to myself, "WTF??" That didn't happen in the actual round. We won that battle, why did the replay change it? The replay is supposed to be a recording of the battle, not a new batttle.

This guy seems to have this same problem: https://www.youtube.com/watch?v=NNNw54QOJc4

Someone please explain this to me

The amiibo has a mind of their own and they changed the replay data to their liking!

Your amiibo probably thought that the comeback was too good to be true so they changed the replay to prevent you from sharing it to others!

Sleep with one eye open EB.

Your Amiibo are watching you. Always watching. They do not tire. They do not stop. They do not know mercy.

They only know pain. Your pain. And they are ready. So ready.

I guess amiibo inputs aren't properly recorded for replays.

So... when they record a match it's not actually recording it like a capture card. Instead, it simply keeps a record of each and every input in the match, and it basically plays the whole match over again.

I'm guessing that maybe for Amiibo and other AI, they don't actually record "inputs" but they simply use the AI, and if the AI is the same, the match should turn out the same. But, if the Amiibo AI is changing, maybe it uses the end match AI instead of the beginning match AI. So if the Amiibo leveled up during the fight, it would screw with it. Just a theory.

You have to remember that replays save all of the button/stick inputs and then simply play it back using the game engine, since storing a bunch of input data is much less space-consuming than storing the time-equivalent amount of video. However, one error in recreating said inputs for any reason then creates nonsense, because an erroneous input creates a different output, but then it still tries to follow the script after that, except that the f-air that Ness pulled off puts him an inch to the left, and now he's furiously attacking thin air, or Greninja's air-dodge sends him over the side.

like you said it's a glitch. Something I noticed ( but I don't remember how lol) is that these aren't visual recordings like in Mario kart. It's actually more like a data recording that the game reads and recreates. If your a musician then you mind understand it if I made the analogy of a midi file vs and audio file.

You should play good ol' Worms Armageddon.

Happens there all the time.