The longest running TV show depends on how it is defined. Here are some lists of the longest running TV shows:

• Variety:

  • General Hospital (60 Seasons)
  • Guiding Light (57 Seasons)
  • Days of Our Lives (57 Seasons)
  • As the World Turns (54 Seasons)
  • The Tonight Show (1954-present)
  • Meet the Press (1947-present)
  • 60 Minutes (1968-present)
  • The Price is Right (1972-present)
  • Sesame Street (1969-present)
  • Saturday Night Live (1975-present)

• HowStuffWorks:

  • General Hospital (1963-present)
  • Days Of Our Lives (1965-present)
  • Sesame Street (1969-present)
  • Saturday Night Live (1975-present)
  • The Simpsons (1989-present)
  • Law and Order: Special Victims Unit (1999-present)
  • Gunsmoke (1955-1975)
  • Law & Order (1990-2010; 2022-present)
  • Family Guy (1999-present)
  • Lassie (1954-1972)
  • NCIS (2003-present)
  • Greys Anatomy (2005-present)
  • American Dad! (2005-present)
  • CSI: Crime Scene Investigation (2000-2015)

• Wikipedia:

  • The Simpsons (1989-present)
  • Law & Order: Special Victims Unit (1999-present)
  • Gunsmoke (1955-1975)
  • Law & Order (1990-2010; 2022-present)
  • Family Guy (1999-present)
  • NCIS (2003-present)
  • American Dad! (2005-present)
  • CSI: Crime Scene Investigation (2000-2015)

• BuddyTV:

  • All My Children (1970-2013)
  • One Life to Live (1968-2013)
  • Saturday Night Live (1975-present)
  • The Young and the Restless (1973-present)
  • Sesame Street (1969-present)
  • General Hospital (1963-present)
  • Guiding Light (1952-2009)
  • As the World Turns (1956-2010)
  • The Price is Right (1972-present)
  • Days of Our Lives (1965-present)

• Screen Rant:

  • The Simpsons (1989-present)
  • Law & Order: Special Victims Unit (1999-present)
  • Gunsmoke (1955-1975)
  • Law & Order (1990-2010; 2022-present)
  • Family Guy (1999-present)
  • NCIS (2003-present)
  • American Dad! (2005-present)
  • CSI: Crime Scene Investigation (2000-2015)

• Wikipedia:

  • Meet the Press (1947-present)
  • CBS Evening News (1948-present)
  • Today (1952-present)
  • The Tonight Show (1954-present)
  • The Price is Right (1956-present)
  • The Wonderful World of Disney (1954-2008)
  • The Ed Sullivan Show (1948-1971)
  • The Guiding Light (1952-2009)
  • As the World Turns (1956-2010)
  • General Hospital (1963-present)

Based on these lists, the longest running TV show is Meet the Press, which has been on air since 1947.