Nick Yemana mentions to Dietrich that he will be 46 in April. In reality, Jack Soo who plays Nick was 60 at the time of the show and the oldest member of the cast, beating out Abe Vigoda by 3 and 1/2 years.
In this episode Dietrich arrests a priest for selling stolen goods. in Episode 1 of season 2 Steve Landesberg (who plays Dietrich) played Father Paul, a priest who Wojo arrests for selling stolen bibles.
Opening scene: Harris is exhausted (and late) and Wojo teases him with a bass four note dum de dum dum. That was the start of the theme music for the TV show Dragnet 1967 (1967).