The beginning of this episode was atrocious. They shouldn't have done the whole blood explosion-cliffhanger last week when Nezuko undid everything within the first 5 seconds of this epiosde :/ And way too much comedic relief during all that, too. Ugh. I still can't believe they have Innosuke survive being stabbed through the chest, literally. You know, heart or not, that's a fatal wound. At least show him suffer more.
Rest of the episode was alright, although I don't see the meaning in flashbacks like these. Yes, villains most of the time have a tragic past that lead them to be the way they are ... but what about it? It doesn't excusive their crimes in the present and it doesn't offer any special insight. Wasted time mostly. If there was anything that could be done to help them, like Tanjiro entering their soul and pulling them back to the human side, that would be something. But alas ...
Season over already, ugh. I assume the next season won't air this yeah, huh?