CBS Confirms the Cancellation of NCIS After More Than Two Decades on Air - After more than 20 years of thrilling fans with its signature mix of crime-solving and character-driven drama, CBS has officially confirmed that NCIS will be ending its historic run. Check the comments for the full story... The network cites evolving viewer habits and the natural conclusion of long-running storylines as factors in the decision, marking the end of an era for one of television’s most enduring procedurals. F