By the 1990s, changes in the delivery of closing credits and increases in advertising minutes on the networks made it impossible for all of A Charlie Brown Christmas to be aired in a half-hour time slot.
baɪ ðə nˈaɪntiːnhˈʌndɹɪd nˈaɪnti z, tʃˈeɪndʒᵻz ɪnðə dᵻlˈɪvɚɹi ʌv klˈoʊzɪŋ kɹˈɛdɪts ænd ˈɪŋkɹiːsᵻz ɪn ˈædvɚtˌaɪzɪŋ mˈɪnɪts ɔnðə nˈɛtwɜːks mˌeɪd ɪɾ ɪmpˈɑːsᵻbəl fɔːɹ ˈɔːl əvə tʃˈɑːɹli bɹˈaʊn kɹˈɪsməs təbi ˈɛɹd ɪn ɐ hˈæfˈaʊɚ tˈaɪm slˈɑːt.