At the conclusion of each episode, Jack Lord narrated a promo for the next episode, often emphasizing the "guest villain", especially if the villain is a recurring character, such as that played by actor Hume Cronyn.
Setiap akhir episode, Jack Lord memberi narasi bocoran episode selanjutnya, sering menyebutkan "musuh tamu", terutama jika musuh tersebut adalah karakter berulang, seperti yang diperankan oleh aktor Hume Cronyn.