When Jason hands Red his guitar to play, Red takes a red guitar pick from between the strings on the neck of the guitar. The camera cuts away and comes back as he is sitting on the stool. The pic reappeared in the strings and Red takes it out again and starts to play.
When Jason goes to Red's house, when he first walks into the living room the top two buttons of his shirt are undone. When he walks over to Seth's picture on the mantle, only the top button is undone. When he turns to greet Red, both top buttons are undone again.
Inside the Dew Drop INN a pinball machine named "Guys Dolls" is shown. The episode is supposed to take place in 1937, however "Guys Dolls" weren't produced until 1953, a full 16 years in the future.