The reason the studio audience at the show's taping can be heard laughing when Felix says in court the name of the woman who was offered the extra ticket (Beth Olam), is because the show was filmed in Los Angeles, and there's a well-known cemetery named Beth Olam in Los Angeles, as well as Brooklyn, NY.
The lobby card outside the theatre says: Denny Peeples Presents: Kiss My Face - a New Musical, by Andy Nealis and James Claytor.... which references several people who worked on this series. Anthony D. Nealis was set decorator on this, as well as Happy Days (1974) - both Garry Marshall shows. Messers James F. Claytor Sr. and Dennis W. Peeples were set decorators and friends of Mr Nealis.
Curt Conway who portrays the judge, would sadly, pass away a few short months after this episode. His physical similarity with actor Garry Walberg (who played Speed on this series) would lead to Mr Walberg's casting on Jack Klugman's series shortly after this wrapped production; Quincy M.E. (1976).
When Felix and Oscar are going to court, the exterior establishing shot is of a NY state court buildings, however, all cases are handled about 1-2 blocks away, in the massive, non-descript 110 Centre St - the M.C.C; Manhattan Criminal Court building.
The episode title is derived from My Life In Court, a 1961 memoir by American trial lawyer Louis Nizer documenting his career in law. The book was a best seller when it was first released, lasting for 72 weeks on The New York Times Bestsellers list.