"I Love Lucy" - "The Diet" October 29, 1951 - Happy 75th Anniversary! pictured above: Lucille Ball (right) as Lucy Ricardo and Vivian Vance (left) as Ethel Mertz "I Love Lucy" - "Visitor From Italy" October 29, 1956 - Happy 70th Anniversary! pictured above (1-r): Desi Arnaz, Jay Novello and Lucille Ball "Diagnosis: Murder" October 29, 1993 - May 11, 2001 178 episodes - 8 seasons Happy 33rd Anniversary! pictured above: Dick Van Dyke as Dr. Mark Sloan The series is a spin-off from "Jake and the Fatman." The episode called "It Never Entered My Mind" aired on March 20, 1991. That episode was followed by three made for television movies "Diagnosis of Murder" (1/5/1992), "The House on Sycamore Street" (5/1/1992) and "A Twist of the Knife" (2/13/1993). Following the conclusion of the series two more made for television movies were produced "Town Without Pity" (2/6/2002) and "...