Throughout the episode, he repeatedly referred to himself as Mayor Rapaport, before finally delivering what he called the big news.

It costs millions of dollars to get elected mayor of New York City. But making it official? That's a much smaller price tag: $9.

Mamdani campaigned on an ambitious agenda, including universal child care, a free bus system and freezing rent prices for certain rental units in the city.

Ms. Menin, a centrist Democrat, said she would investigate bad actors in business and city agencies and played down areas of difference with Mayor Zohran Mamdani.

Mayor Zohran Mamdani took the oath of office in New York City after midnight Thursday. The city's first Muslim mayor, a member of the Democratic Socialists of America, has promised to focus on affordability and fairness.