Longest running TV shows

[recoveryone]

What it all says is that both arguments are correct

[Jack in Wilmington]

What it all says is that both arguments are correct

They both have their merit, but my original statement that NCIS will be joining Smokey's list soon, still is valid.

[Smokey]

They both have their merit, but my original statement that NCIS will be joining Smokey's list soon, still is valid.

That is true as on March 15, 2016, NCIS reached it 300th episode which rank it number 13 on list of longest running TV show:

13. "NCIS" (2003-????)
300 episodes



12: “ER” (1994 to 2009),
331 episodes.



11. "CSI: Crime Scene”: ( 2000 to 2015)
335 episodes


13. "NCIS" - 13 longest-running scripted TV shows of all time - Pictures - CBS News

[Jack in Wilmington]

Interesting is that TV Land is now showing season 20 of Gunsmoke in the afternoon. I don't remember any of these episodes as I was working then and didn't always watch a lot of TV.