11/01/2011 01:20 pm ET | Updated Jan 01, 2012

Mayor Bloomberg Gives Conan O'Brien NYC Citizenship Test (VIDEO)

Almost 3,000 fans flocked to Beacon Theater on Monday night for Conan O'Brien's special return to New York after leaving almost two years ago to host The Tonight Show in Los Angeles.

It's been quite some time and quite a bit of drama, but Conan claimed he still knows New York like the back of his hand.

Who better to test his Big Apple knowledge than Mayor Bloomberg with the very unofficial NYC citizenship test?

Catch the clip below to see how Conan fares in the challenge.