1981 (Production)

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.

October

• TOS (Marvel) Comic #16: "There's No Space Like Gnomes'!" released.
• TOS Novel #3: "The Klingon Gambit" released.

December

• TOS (Marvel) Comic #17: "The Long Night's Dawn!" released.
• TOS Novel #4: "The Covenant of the Crown" released.