Searxng/NCIS Season 23 tv TV NCIS nears its 500th episode with Season 23 after Vance's shocking death. Parker dares to retire in a bold twist that could change the team forever. April 26, 2026 AceShowbiz - NCIS continues to deliver gripping drama as the series approaches its 500th episode milestone with Season 23. Recent episodes have seen the team endure significant upheaval, including the shocking death of Director Leon Vance. This dramatic event led to the temporary shutdown of NCIS, which was later reversed, but only at a great cost to the agency.