I really don't have any memory of having ever seen this episode! Just finished watching it (although recorded from COZI TV, so probably missing some parts). I have to say that I have mixed feelings about it.
First of all, I'm thinking "what is Hester Sue doing married to Joe?" at the beginning! Strange that they brought the same actress (at least I think that was Ketty Lester??) back later on who was also kind of Joe's love interest.
I wish that Joe and Tim had been reconciled as father/son at the end. Did Moody steal the money Joe gave him to send to Tim and Tim's mother? That's the way I understood it. I wish that Joe could have forced Moody to confess that to Tim, to prove that Joe did try to take care of them. And I wish that Tim and Joe could have not only reconciled, but perhaps Tim could have moved to Walnut Grove and farmed with Joe.
I did kind of enjoy Nels getting stuck fighting Joe. But I thought it was rather contrived that Jonathan Garvey hurt his hand and Charles then got to fight and defeat Joe. However, I did like the way that Charles helped Joe on the road to recovery and thought it was very sweet of the Ingalls family to care for him so much.