Dick Van Dyke has shared the screen with many talented stars over his decades in the industry, but by far one of his most rewarding collaborations was working with son Barry Van Dyke. The father-son duo costarred on the series Diagnosis Murder from 1993 to 2001, and their unique bond was highlighted in the new documentary Dick Van Dyke: 100th Celebration from Fathom Entertainment. "My son, he and I love to work together," Dick, 99, says in never-before-seen documentary footage shared exclusively with Us Weekly. "We're like Laurel and Hardy. We ran a very loose ship on that show.