[s1e1] The New Hunter Today

Hunter X Hunter (TV Series 2011–2014) - Episode list - IMDb

Set in 1977 New York, teenager Jonah Heidelbaum's grandmother is murdered, leading him to discover a secret group of Nazi hunters. [S1E1] The New Hunter

This is the most direct match for the title "The New Hunter." Hunter X Hunter (TV Series 2011–2014) - Episode