tˈæɡ wʌz ˌɪntɹədˈuːst ɪnðə fˈɜːst sˈiːzən ɪnwˌɪtʃ hiː wʌz ɛkspˈoʊzd tə jˈɛloʊ fˌɑːsfɚɹˈɛsəns ðə sˈeɪm tˈaɪm sˈuːpɚmˌænz sˈʌn dʒˈoːɹdən kˈɛnt dɪskˈʌvɚd hɪz ɐbˈɪləɾiz wˌaɪl ðə lˈæɾɚ tˈuː ɹᵻsˈiːvd ˈɛks kɹˈɪptənˌaɪt fɹʌm ˈændɚsən ænd wɜː tɹˈeɪnd ɪn sˈiːkɹᵻt baɪ ðə dᵻpˈɑːɹtmənt ʌv dᵻfˈɛns dˈiː.ˈoʊ.dˈiː..
Tag was introduced in the first season in which he was exposed to yellow phosphorescence the same time Superman's son Jordan Kent discovered his abilities while the latter two received X Kryptonite from Anderson and were trained in secret by the Department of Defense (D.O.D.).