Season 1 of Jornal Nacional premiered on 1969-09-01.

Season 2 of Jornal Nacional premiered on null.

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Season 54 of Jornal Nacional premiered on null.

Season 55 of Jornal Nacional premiered on 2023-01-02.

Season 56 of Jornal Nacional premiered on 2024-01-01.

Season 57 of Jornal Nacional premiered on 2025-01-01.