People Watching, Criminal Justice Dept.:

 Night Court
 100 Centre Street
 (use the City Hall IRT stop)
 Open 6pm to midnight, daily.
 Free.                             

 All they do are arraignments and prisoner transfers to other states,
 but if you've ever wondered how the average defendant is treated
 and you enjoyed Hill Street Blues, this can be a pretty good show.
    - Sharp
.