In American television during 2003, notable events included television series debuts, finales, cancellations, and new channel initiations.
NCIS (originally referred to as Navy NCIS), a spin-off of JAG, premiered on September 23, 2003 on CBS, becoming the third-longest-running scripted, nonanimated U.S. prime-time TV series currently airing, and has later spawned multiple spin-offs and was voted America's favorite television series in 2011.
[1] Other notable shows that premiered that year included Arrested Development,[2] Jimmy Kimmel Live!, Two and a Half Men,[3] The Venture Bros.,[4] One Tree Hill,[5] The O.C.,[6] Nip/Tuck,[7] and Teen Titans.
[8] Later 2010s/2020s TV shows like Better Call Saul (2015-2022) and the television adaptation of The Last of Us (2023–present) are set in 2003.
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