Xena and Gabrielle (Xena: Warrior Princess)
These two loved each other and it only broke our hearts more when they shared these kinds of glances. There was so much hope and promise for something more, they both knew it and so did we.
Jim Halpert (The Office)
The Office probably wouldn't be what it was if Jim wasn't that good at showing those heartbreaking looks Pam's way.
Donna Paulsen and Harvey Specter (Suits)
There's nothing else to say except finally. These two have been throwing longing looks for years, it is about time it was paid off for them and for us.
Alex Danvers (Supergirl)
Alex's feelings for Maggie went beyond just a small crush, which is why each look was so angsty and loving. There was that hope for more than even Alex wasn't fully aware of yet, and it was amazing to experience.
Lucifer Morningstar and Chloe Decker (Lucifer)
These two are all about the promising looks fueled with lingering emotion that is one second away from boiling over the surface. It is almost harder to find Lucifer and Chloe looking at each other where they aren't longing for more.
Kate Austen and James "Sawyer" Ford (Lost)
This might set up a debate for some but Sawyer looking at Kate always left an impression on the show. It was heartbreaking but also so beautiful to get to witness.