The Sparrows were important, the problem was that half of them died early in the first half of season 3. Hopefully the fallen Sparrows come back in Season 4 WITH their memories intact of the old universe.

@GoldenExterna

Now that would make for a chaotic season. Throw in some Doppels, and you’ve got yourself one hell of a season.

@The345bob But it would be a fun season

Exactly.