Sanford and Son S03E19 - Lamont Goes Karate

Grady has been left in charge while Fred is visiting family in St. Louis and has promised to look after Lamont who comes home with a bloody nose, courtesy of Jo-Jo Jackson, after a fight over a woman. After taking a couple of karate lessons, Lamont goes back to the bar to confront Jo-Jo. However, a concerned Grady, decides tries to intervene.