i thought this only happened on matlock...

http://nypost.com/news/nationalnews/29422.htm

from the amber frey cross examination:
At the start of yesterday's cross-examination, Geragos tried to open on a light note — and even brought snickers from some jurors.
When the judge told him he could begin, Geragos said, "No questions."
As the judge's jaw dropped, the lawyer quickly added with a smirk, "Just kidding."