Pauley Perrette’s portrayal of Abby Sciuto in NCIS earned her immense popularity, but her abrupt departure from the show in 2018 was fueled by reported behind-the-scenes conflicts with co-star Mark Harmon. Alleged tensions, including a disagreement involving Harmon’s dog, led to a strained working relationship. Perrette claimed to be “terrified” of Harmon, citing a dog bite incident and hinting at “multiple physical assaults” on Twitter.

The culmination of these events resulted in Abby Sciuto’s dramatic exit from the series. Post-NCIS, Perrette ventured into the sitcom Broke, which was later canceled. Facing setbacks, she announced her retirement from acting, marking the end of a significant chapter in TV history and highlighting her impactful contribution to the industry.