One of the later seasons of Earth Final Conflict. They built up the female support role to be this tough brilliant independent woman who didn’t need no man. Then when the male lead left the show and she took the lead roll the immediately had her fall into a romance with some no name character that wrecked her confidence.

On the reverse, Sliders, the male lead and female support had this will they won’t they for a bit, but then in an awkward scene later between the two support roles she relates the off camera the had the talk and said they weren’t with no real feeling about it.