What was Beverly Hills 90210?

If you mean what is Beverly Hills 90210, then this is your answer. It is a drama about High school kids that live in Beverly Hills. "Beverly Hills, 90210" is the original TV series that the modern "90210" is based on. 90210 is a spin off staring the next generation and features some of the characters from Beverly Hills, 90210. It is named after, the most famous zip code in America, the zip code for Beverly Hills.