Was Shelley Long in diagnosis murder with Dick Van Dyke?

Yes, Shelley Long appeared in an episode of "Diagnosis: Murder" alongside Dick Van Dyke. She guest-starred in the Season 5 episode titled "Murder in the Family," which aired in 1997. The show featured Van Dyke as Dr. Mark Sloan, a physician who often solved crimes. Long's appearance contributed to the show's blend of medical drama and mystery.