TOS ‘The Devil in the Dark’ in first run.
I was barely in school, but my slightly older neighbour who’d hooked me on Time Tunnel and Voyage to the Bottom of the Sea, convinced me that Star Trek must be seen.
I quickly caught up during the hiatus reruns, and have seen absolutely all of it in first run since.
Tawny is already in the writers room for Starfleet Academy as well as working as a cocreator of a new live action Star Trek comedy series in development.
It seems that she’s another alum who will be mostly behind the camera but will show up as a legacy character in other shows.