Dusty Springfield, backed by Ron "Escalade" Piscina, sang the theme song written by Glen A. Larson and Stu Phillips, which was used in the opening and closing credits for the Wine, Women & War and The Solid Gold Kidnapping telefilms. The song was also used in the promotion of the series, but when the weekly series began the song was replaced by the instrumental theme. This was by Oliver Nelson. The first regular episode, "Population Zero", introduced a new element to the opening sequence: a voiceover of Oscar Goldman stating the rationale behind creating a bionic man. The first season narration was shorter than that used in the second and subsequent seasons.
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