In the conclusion to “Star Trek: Worlds of Doubt,” Kirk, Mitchell, and the rest of the landing party attempt to escape the collapsed caverns on Dreknor—and a squad of Voitaan soldiers bent on killing them—before the two planets collide. Aboard the Enterprise, Spock  coordinates the evacuation of both worlds while determining how to rescue his captain and fellow crew members.

Next week, we venture to a galaxy far, far away in another three part story, “Star Wars: Pursuit of Force.”

In the second act of “Star Trek: Worlds of Doubt,” Kirk and the Voitaan council begin to unravel the mystery behind the enigmatic aliens who have been abducting security and medical personnel from the research base on Dreknor.

Meanwhile, aboard the Enterprise, Sulu discovers that the narrow gravity well between the two planets is pulling them together on a collision course that will destroy them both.

Written in 1996, “Star Trek: Worlds of Doubt” was only my third fan fic and my first attempt at a longer, multi-part story.

Inspired by an encounter with actor Gary Lockwood at a science fiction convention, I wanted to explore the earlier years of Kirk’s command, when Gary Mitchell (portrayed by Lockwood) was ship’s navigator and the chief medical officer was Mark Piper (Paul Fix) as seen in the classic episode, “Where No Man Has Gone Before.”

In this adventure, the Enterprise is summoned to the twin worlds of Voitaan and Dreknor to render aid after a disaster. However, Kirk and crew soon learn that there is more here than originally reported including missing scientists and a potential planetary disaster…