Forced Entry. Skeletons. Identity Crisis. Corporal Punishment. Internal Affairs. About Face. Heartland. Cloak. Broken Bird. Knockout. Semper Fidelis. Truth or Consequences. Good Cop, Bad Cop. Ignition. Jack Knife. Moonlighting. Rule Fifty-One. Enemies Foreign. Enemies Domestic. One Last Score. Swan Song. 21 of the best reasons to watch NCIS.