Part of the core ensemble cast of Star Trek: The Next Generation, Geordi La Forge stands as a key figure in the Trek franchise. Despite being part of the lead crew in various Star Trek episodes and movies, Geordi is one of the few characters without a detailed backstory.
Many of TNG’s stories either involve or mention various moments of the Enterprise crew's past, such as previous wars or the time Riker was duplicated. While La Forge shared in these adventures, there were few moments that brought up his past.
This was potentially to be solved when drafting the episode that introduced his mother, Interface, when the idea came up to reveal Geordi La Forge to be an alien. Writer for the series, Jeri Taylor, described the reveal to be a “Rosemary’s Baby-kind of thing,” where he was to find out his father was not who he seemed. La Forge would come to the realization that he was half-alien and his father’s people would be on their way to find him.
This idea was first introduced to finally elaborate more on his backstory and also help spice up a struggling episode.
Reflecting on the original troubles of writing Interface and the final season itself, TNG writer Ron D. Moore stated: 'we were talking about bringing Geordi's mother in, and we all kind of looked at each other and we were like, 'This is sad. This is the best we can do? Is this the best we can do, is Geordi's mother?' It was such a "who cares" idea that we were just sort of, 'Oh man… This show has got to end'.
Of course, Geordi La Forge becoming an alien was eventually scrapped in the final episode draft. However the idea possibly made its way to Star Trek: Voyager when Harry Kim found out he was an alien in Favorite Son.
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