 In 1979, an episode was done with the actors out of character as a  tribute to actor Jack Soo (qv), who played Det. Nick Yemana. Soo  had died of cancer of the esophagus in 1979. The episode consisted  of unscripted reminiscences of Soo by the cast members, intercut  with clips of him from the show. At the end of this episode, the  cast raised their coffee cups as a salute to him.