New Amsterdam - TV series - was created on 2008-03-04.
New Amsterdam - TV series - ended on 2008-04-14.
The New Breed - TV series - was created on 1961-10-03.
New Attitude - TV series - was created on 1990-08-08.
The New Avengers - TV series - was created on 1976-10-22.
New York Confidential - TV series - was created in 1958.
Taonga - New Zealand TV series - was created in 2006.
Target - New Zealand TV series - was created in 1999-02.
I Love New York - TV series - was created on 2007-01-08.
Play School - New Zealand TV series - was created in 1975.
This Is Your Life - New Zealand TV series - was created in 1984.
New Amsterdam did disappear in a sense, assuming you're referring to the 17th century Dutch colony and not the Nikolaj Coster-Waldau TV series. The settlement of New Amsterdam was founded on Manhattan Island in 1624, but it was renamed New York City in 1665. You may have heard of it under the latter name.
Ahsoka Tano was created when the new TV series "The Clone Wars" was being planned.