Year Title Role Notes Ref. 1955–1956 The Morning Show Host CBS 1956 CBS Cartoon Theatre 13 episodes 1956–1957 To Tell the Truth Panelist 5 episodes 1957–1958 The Phil Silvers Show Private Lumpkin / Private "Swifty" Bilko 2 episodes 1958 The Chevy Showroom Starring Andy Williams Himself 1958–1959 Mother's Day Host 1959 Laugh Line 1960 Alfred Hitchcock Presents Thomas Craig Season 5 Episode 23: “Craig’s Will” New Comedy Showcase Richard Alexander Season 1 Episode 4: “The Trouble with Richard” [ 5] [ 6] 1961–1966 The Dick Van Dyke Show Rob Petrie 158 episodes 1969 Dick Van Dyke and the Other Woman Himself Special (with Mary Tyler Moore ) 1970 Dick Van Dyke Meets Bill Cosby Special (with Bill Cosby ) 1971–1974 The New Dick Van Dyke Show Dick Preston 72 episodes 1973 The New Scooby-Doo Movies Himself Voice, episode: "The Haunted Carnival" 1974 Julie and Dick at Covent Garden Television special (with Julie Andrews ) Columbo Paul Galesko Episode: "Negative Reaction" The Morning After Charlie Lester Television film 1976 Van Dyke and Company Himself Variety series Lola! Cast member Series 1977 The Carol Burnett Show 11 episodes 1979 Supertrain Waldo Chase Episode: "And a Cup of Kindness Too" 1981 True Life Stories Charlie Documentary Harry's Battles Harry Fitzsimmons Unsold half-hour pilot[ citation needed ] How to Eat Like a Child Himself TV special 1982 The Country Girl Frank Elgin Television film Drop-Out Father Ed McCall 1983 CBS Library Father Voice, episode: "Wrong Way Kid " Found Money Max Sheppard Television film 1984 Donald Duck's 50th Birthday Himself / Host TV special 1985 American Playhouse Les Dischinger Episode: "Breakfast with Les and Bess" 1986 Strong Medicine Sam Hawthorne Television film Matlock Judge Carter Addison Episode: "The Judge" 1987 Ghost of a Chance Bill Nolan Television film Highway to Heaven Wally Dunn Episode: "Wally" Airwolf Malduke Episode: "Malduke" 1988 The Van Dyke Show Dick Burgess 10 episodes 1989 The Golden Girls Ken Episode: "Love Under the Big Top" 1990 Matlock Judge Carter Addison Episode: "The Kidnapper" (stock footage from episode "The Judge") 1991 Daughters of Privilege Buddy Keys Television film Jake and the Fatman Dr. Mark Sloan Episode: "It Never Entered My Mind" (Backdoor pilot for Diagnosis: Murder ) 1992 Diagnosis of Murder Diagnosis: Murder film The House on Sycamore Street 1993 The Town Santa Forgot Narrator / Old Jeremy Creek Voice, television film A Twist of the Knife Dr. Mark Sloan Diagnosis: Murder film1993–2001 Diagnosis: Murder Lead role (178 episodes); also executive producer (137 episodes) 1993 Coach Luthor Van Dam's Cousin (uncredited) Episode: "Christmas of the Van Damned"[ citation needed ] 1999 Becker Fred Becker Episode: "Becker the Elder" (episode 13) 2000 Sabrina the Teenage Witch Duke Episode: "Welcome Back, Duke" 2002 A Town Without Pity Dr. Mark Sloan Diagnosis: Murder film Without Warning 2003 The Gin Game Weller Martin Television film The Alan Brady Show Webb Voice, television special Scrubs Dr. Townshend Episode: "My Brother, My Keeper" 2004 The Dick Van Dyke Show Revisited Rob Petrie TV special 2006 Murder 101 Dr. Jonathan Maxwell Television film 2007 Murder 101: If Wishes Were Horses Murder 101: College Can Be Murder 2008 Murder 101: The Locked Room Mystery 2011 Hollywood Treasure Himself Episode: "Chitty Chitty Bid Bid" 2012 The Doctors Talk show Fun with Dick and Jerry Van Dyke Television film 2013 Brody Stevens: Enjoy It! Episode: "Born in the Valley; Hollywood Finale" 2014 Signed, Sealed, Delivered Kenneth Brandt 2 episodes [ 7] Mickey Mouse Clubhouse Captain Goof-Beard Voice, episode: "Mickey's Pirate Adventure" [ 8] 2015 The Middle Dutch Spence Episode: "Two of a Kind" 2020 Kidding Hopscotch the Sasquatch Voice, 2 episodes 2023–2024 The Masked Singer The Gnome / Himself 2 episodes 2023 Days of Our Lives Timothy Robicheaux 4 episodes [ 9] The Simpsons Himself / Caractacus Potts Voice, episode: "McMansion & Wife " Dick Van Dyke 98 Years of Magic Himself Air date: 12/21/2023 Re-run 6/2/2024 10 PM EDT Paramount CBS Entertainment 2-hour Special [ 10] 2024 Jimmy Kimmel Live! Himself Air date: 12/5/2024