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” [ 6] [ 7] No Place Like Home Himself Television special (with Carol Burnett , Rosemary Clooney , and José Ferrer ) 1961–1966 The Dick Van Dyke Show Rob Petrie 158 episodes 1969 Dick Van Dyke and the Other Woman Himself Television special (with Mary Tyler Moore ) 1970 Dick Van Dyke Meets Bill Cosby Television 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 ABC Television special (with Julie Andrews ) [ 8] Columbo Paul Galesko Episode: "Negative Reaction" The Morning After Charlie Lester Television film 1976 Van Dyke and Company Himself Variety series; 11 episodes 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 Television 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 Television 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 Television 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 [ 9] Mickey Mouse Clubhouse Captain Goof-Beard Voice, episode: "Mickey's Pirate Adventure" [ 10] 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 [ 11] The Simpsons Himself / Caractacus Potts Voice, episode: "McMansion & Wife " Dick Van Dyke 98 Years of Magic Himself Air date: 12/21/2023 Paramount CBS Entertainment 2-hour Special [ 12] 2024 Jimmy Kimmel Live! Himself Air date: 12/5/2024 