The spin-off series "NCIS: Los Angeles" has successfully run for 14 seasons, attracting viewers with its action-packed storyline and stellar cast. While the show can currently only be streamed on NBCUniversal, fans can still rent or buy episodes from various platforms. Reddit users have expressed mixed opinions, with some enjoying the light-hearted feel and character development, while others find it too over-the-top. Ultimately, viewers must decide for themselves which "NCIS" series they prefer.