1981 (Production)
From Trekipedia
January
- TOS (Marvel) Comic #10: "Domain of the Dragon God!" released.
February
- TOS (Marvel) Comic #11: "Like a Woman Scorned!" released.
March
- TOS (Marvel) Comic #12: "Eclipse of Reason" released.
April
- TOS (Marvel) Comic #13: "All the Infinite Ways" released.
- TOS Novel: "Death's Angel" released.
June
- TOS (Marvel) Comic #14: "We Are Dying, Egypt, Dying!" released.
- TOS Novel #2: "The Entropy Effect" released.
August
- TOS (Marvel) Comic #15: "The Quality of Mercy" released.
- 17 August: Barry Trivers dies.
September
Walt Davis as Klingon Soldier (TOS 27)
- 21 September: Walt Davis dies.
October
- TOS (Marvel) Comic #16: "There's No Space Like Gnomes'!" released.
- TOS Novel #3: "The Klingon Gambit" released.
- 27 October: John Warburton dies.
December
Bart Conrad as Krasnovsky (TOS 14)
- TOS (Marvel) Comic #17: "The Long Night's Dawn!" released.
- TOS Novel #4: "The Covenant of the Crown" released.
- 6 December: Bart Conrad dies.