Visit to a Weird Planet
From Fan History Wiki
In September of 1968, there is a story titled "Visit to a Weird Planet," featured in Spockanalia. The story was written by Jean Lorrah and Willard F. Hunt. This story was one of the earliest pieces of known Actorfic. The story sent Kirk, Spock and Bones back to the set of the filming of Star Trek. The three then meet, among others, Gene Roddenberry. This story was sent to Gene Roddenberry and was presumably published with his consent. (Langley: [1])
