Historical clue formulations

• "Star Trek: T.N.G." character — 2017-06-27
• Klingon on "Star Trek: T.N.G." — 2015-11-15
• Enterprise Klingon — 2013-12-14
• "Star Trek: T.N.G." role — 2013-08-03
• Klingon on "Star Trek: T.N.G." — 2008-07-24
• Enterprise Klingon — 2008-06-11
• Klingon on the Enterprise — 2004-09-14
• "Star Trek" Klingon — 1994-08-25
• "Star Trek" Klingon — 1994-06-02