The Andy Griffith Show

The Andy Griffith Show was an American sitcom starring Andy Griffith.

Plot
The Simpson family watched Before They Were Famous when Shary Bobbins was their nanny. The episode they showed Charles Bronson in a brief stint replacing Andy Griffith on The Andy Griffith Show. In the clip, Bernard Fife asked him where Otis was. Bronson (as Andy) said that he had shot Otis, which surprised Barney. Bronson then drew his gun and went out the door, saying that he was going to Emmett's Fix-It Shop to "fix Emmett".

Behind the Laughter

 *  was a real American sitcom. In addition to Griffith, it starred and Ron Howard (credited as "Ronny Howard").