The technique first appeared in the fourth episode of the second season of NCIS, Lt. Jane Doe, and was employed in every episode since, with a typical episode containing four or five freeze frames with main characters or occasionally one-off or recurring characters.
ðə tɛknˈiːk fˈɜːst ɐpˈɪɹd ɪnðə fˈoːɹθ ˈɛpɪsˌoʊd ʌvðə sˈɛkənd sˈiːzən ʌv ˌɛnsˌiːˌaɪˈɛs, ˌɛltˈiː. dʒˈeɪn dˈoʊ, ænd wʌz ɛmplˈɔɪd ɪn ˈɛvɹi ˈɛpɪsˌoʊd sˈɪns, wɪð ɐ tˈɪpɪkəl ˈɛpɪsˌoʊd kəntˈeɪnɪŋ fˈoːɹ ɔːɹ fˈaɪv fɹˈiːz fɹˈeɪmz wɪð mˈeɪn kˈæɹɪktɚz ɔːɹ əkˈeɪʒənəli wˈʌnˈɔf ɔːɹ ɹᵻkˈɜːɹɪŋ kˈæɹɪktɚz.