Where No One Has Gone Before

"Where No One Has Gone Before" is the sixth episode of the American science fiction television series Star Trek: The Next Generation, originally aired on October 26, 1987 in broadcast syndication in the United States. A high definition remastered version of the episode also received a limited theatrical release for one day alongside the episode "Datalore" to celebrate the 25th anniversary of the series on July 23, 2012. The story was originally developed under the title of "Where None Have Gone Before" and was based on Diane Duane's book The Wounded Sky. Together with Michael Reaves, she submitted a script after first pitching the idea to David Gerrold and Gene Roddenberry. The script was subsequently rewritten by Maurice Hurley, whose first effort was poorly received, but the subsequently rewritten version was filmed. The episode was the first on the show to be directed by Rob Bowman, who would go on to direct a further twelve episodes.

Set in the 24th century, the series follows the adventures of the crew of the Starfleet starship Enterprise-D. In this episode, the Enterprise is visited by Mr. Kosinski (Stanley Kamel) and an alien called the Traveler (Eric Menyuk). The Traveler's effects on the ship send it to distant parts of the Universe, and he requires the help of Wesley Crusher (Wil Wheaton) to bring the ship back home.

Eric Menyuk made the first of three appearances as the Traveler in this episode. He had previously been considered for the part of Data. Biff Yeager made his first appearance as the longest-running Chief Engineer of the first season. Some of the effects in this episode were created in Robert Legato's basement using water reflections and Christmas tree lights, while a Klingon Targ was created using a tame wild boar in a costume. The episode received mostly positive comments, with negative comments mostly reserved for the character of Wesley Crusher.