Longest career as a TV judge (Court room)
Who
Judge Judy Sheindlin
Where
United States (Los Angeles)
When

The longest career as a TV judge is 18 years, 11 months, 2 days by Judge Judy Scheindlin (USA), who has been the presiding judge on "Judge Judy" since its premiere on 16 September 1996.

The 20th season of "Judge Judy" is set to premiere on 14 September 2015.