ɪnðə nˈaɪntiːnhˈʌndɹɪd nˈaɪnti z ˈænɪmˌeɪɾᵻd sˈɪɹiz ðə sˈɪlvɛstɚ ænd twˈiːɾi mˈɪstɚɹiz, sˈɪlvɛstɚ hɐz ɐ flˈæʃbæk tə hɪz tʃˈaɪldhʊd ɪnðɪ ˈɛpɪsˌoʊd "ɐ mˈaɪnə pɹˈɑːbləm"; ɪnðə flˈæʃbæk sˈiːkwəns, jˈʌŋ sˈɪlvɛstɚ lˈʊks lˈaɪk sˈɪlvɛstɚ dʒˌeɪˈɑːɹ. ænd, wˌaɪl sˈɪlvɛstɚz fˈɑːðɚ lˈʊks lˈaɪk ðɪ ɐdˈʌlt sˈɪlvɛstɚ.
In the 1990s animated series The Sylvester & Tweety Mysteries, Sylvester has a flashback to his childhood in the episode "A Mynah Problem"; in the flashback sequence, young Sylvester looks like Sylvester Jr. and, while Sylvester's father looks like the adult Sylvester.