Sanford and Son S03 E19 Lamont Goes Karate

"You big dummy!"

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.