In "the near future" (beginning in the year 2018), the series follows the adventures of the high-tech submarine seaQuest DSV 4600.
ˈɪn "ðə nˌɪɹ fjˈuːtʃɚ" bɪɡˈɪnɪŋ ɪnðə jˈɪɹ tˈuː θˈaʊzənd ˈeɪtiːn, ðə sˈɪɹiz fˈɑːloʊz ðɪ ɐdvˈɛntʃɚz ʌvðə hˈaɪtˈɛk sˈʌbmɚɹˌiːn sˈiː kwˈɛst dˌiːˌɛsvˈiː fˈoːɹ θˈaʊzənd sˈɪkshˈʌndɹɪd.