While, in Season 5, they seem to be just friends, there are still signs of romantic tension between the two.

Still, some romantic tension has been suggested between the two.

She and Mal have a hard relationship, with romantic tension playing a big part in several episodes.

He attempts to keep their relationship professional, though the romantic tension remains.

Also present are elements of romantic tension and some vaguely historical political references.

A largely unspoken friendship, and romantic tension, exist between the two for the majority of the series.

Throughout the video, he sees the woman's face in place of her daughter's, which increases the romantic tension among the quartet.

Commentators on the series noted the romantic tension between the two characters.

There are hints of romantic tension between her and Hobbes.

The addition of Porter added romantic tension to the series and helped to improve ratings.