Television writers walk a fine line when they have leads with chemistry. The banter flows with ease and what's not spoken can be a joy to behold. But what should they do with all that sexual tension? On one hand, fans continuously clamor for the duo to get together. On the other, the audience has no reason to tune in after they do.
Fans say that the couple deserves to live happily-ever-after but the truth is a little more complex. They really don't want the fairy tale; they want to want it. It's the interrupted kiss that generates the water cooler talk and the jealous brooding when one partner finds out the other has an unexpected date that really gets the internet humming.
With that in mind, let's look at five returning shows whose leads leave the audience wanting more.
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1. Olivia Dunham and Peter Bishop, Fringe. This out-of-this-world good guy didn't make a move on his FBI partner this year, giving her time to get her former fiance out of her head. Peter and Olivia have great chemistry but fans have the benefit of knowing that even if they don't get together this time, there is always the next reality.

