Sanford and Son S04E16 - The Stand-Ins

Lamont comes home one evening and discovers Fred preparing a gourmet dinner and learns it's to celebrate the arrival of an old friend of Fred's, Bowlegs, a musician, who's visiting. Bowlegs' act is to be put on at a nightclub but when his partner strains his back, Fred and Lamont must fill in to fulfill the nightclub's requirements.