dˈʊɹɹɪŋ ðə mˈuːv, ɪn nˈaɪntiːnhˈʌndɹɪd sˈɛvənti fˈoːɹ, dʒˈɛnɚɹəl ᵻlˈɛktɹɪk—ðə spˈɑːnsɚɹ ʌvðə ʃˈoʊ—kəmˈɪʃənd ɐ nˈuː θˈiːm sˈɔŋ nˈoʊn æz "ðə bˈɛst tˈaɪm ʌv jʊɹ lˈaɪf", ˈɔːlsoʊ ɹˈɪʔn̩ baɪ ðə ʃˈɜːmən bɹˈʌðɚz.
During the move, in 1974, General Electric—the sponsor of the show—commissioned a new theme song known as "The Best Time Of Your Life", also written by the Sherman Brothers.