To date, “NCIS” has run on CBS for a remarkable 18 seasons.

In the show’s eighth season, Franks shared that he had been diagnosed with terminal lung cancer.

That being said, Watson would have liked to have seen a more fitting end for his character.

Muse Watson appearing on NCIS

Although Watson might have been killed, it wasn’t the last “NCIS” fans saw of him.

His last appearance to date was in Season 15.

Mike Franks with his mentee, Leroy Jethro Gibbs