Jack and Rebecca - This Is Us
Jack may be dead in the present timeline, but the beauty of This Is Us is that it follows the Pearsons through several different periods in their lives. Jack and Rebecca are couple goals.
Conrad and Nic - The Resident
It's rare on TV for two characters to fit like a glove, but CoNic manage to skip the pitfalls couples on the small screen usually face. It also helps that the chemistry between them is there.
Stefan and Elena - The Vampire Diaries
The show started with them as a couple but ended with one of them dead. Thanks to the power of the internet, we have lots of Gifs!
April and Jackson - Grey's Anatomy
April and Jackson may be over now, but there's always hope of a reunion. They will always be a part of each other's lives thanks to the fact they have a child together. Beyond that, there's still a lot of love between them.
Bellamy and Echo - The 100
Their relationship blossomed when they were away from earth for several years in the confines of a spaceship, but they are the best couple on the show.
Veronica and Logan - Veronica Mars
They've been on the TV as a couple for well over a decade, and they get cuter (and hotter) by the season.