In 1997, Conway guest-starred in Diagnosis: Murder as Tim Conrad in the episode: "Comedy Is Murder" where he teamed back up with Dick Van Dyke and Harvey Korman where Conway and Korman (Harvey Huckaby) are former comedy partners. In the episode, a clip of the well-known dentist sketch from The Carol Burnett Show was used to illustrate their partnership. In 1998, Conway guest-starred in Ellen as a comedian in the episode: "Ellen: A Hollywood Tribute, Part 1". In 1999, he guest-starred again in Diagnosis: Murder as Tim Conrad in the episode: "The Roast". From 2001 to 2005, Conway guest-starred in Yes Dear as Tom Warner, the father of Greg, with Carol Burnett Show co-star Vicki Lawrence playing his wife. He won another Emmy Award for Outstanding Guest Actor in a Comedy Series for his role as Bucky Bright in the 30 Rock episode "Subway Hero," which initially aired on April 17, 2008.  From 2010 to 2014, Conway guest-starred on CSI: Crime Scene Investigation, Hot in Cleveland, WordGirl, Batman: The Brave and the Bold, Wizards of Waverly Place, Mike & Molly, Major Crimes, Two and a Half Men, and Glee.