In Ghostbusters II the Deleted Scene: El Gato/The Cat is a scene in the Thurgood Marshall U.S. Courthouse where Dana wishes Peter good luck with the trial. Two takes are included on the 2014 Blu-ray.
While Louis Tully is explaining how he got his law degree, Peter Venkman is talking to Dana Barrett at the wooden rail of the spectator's gallery of the courtroom. Dana expresses regret at not being able to stay for the trial since it was her fault. Peter agrees it was and asks Dana to visit him at Sing Sing if they are allowed conjugal rights. Peter is confident things will go well because he's like a cat, he always lands on his feet. Dana gives Peter a good luck kiss and leaves the courtroom. Peter savors the kiss then goes to sit at the defense table.