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35 Actors Whose Onscreen Chemistry Was So Undeniable, But Their TV Characters Didn't End Up Together

"I cared about the whole world because of you."

We recently asked the BuzzFeed Community to tell us which TV characters had the best chemistry but didn't end up together. Here are some of the best responses:

🚨Warning: There are massive spoilers ahead!🚨

1. Eliza Taylor and Bob Morley as Clarke Griffin and Bellamy Blake on The 100.

Bellamy telling Clarke that he will give her forgiveness and asking her to come inside, but Clarke refusing

2. Eliza Taylor and Alycia Debnam-Carey as Clarke Griffin and Lexa on The 100

Lexa kneeling to Clarke and saying that she swears fealty to her and promises to "treat your needs as my own and your people as my people"

3. Sarah Hyland and Adam Devine as Haley Dunphy and Andy Bailey on Modern Family.

Andy and Haley looking at each other and then Haley jumping up and kissing Andy

4. Neil Patrick Harris and Cobie Smulders as Barney Stinson and Robin Scherbatsky on How I Met Your Mother.

Barney getting down on one knee and asking Robin to marry him and Robin saying, "Yes"

5. Harry Shum Jr. and Jenna Ushkowitz as Mike Chang and Tina Cohen-Chang on Glee.

Mike and Tina looking longingly at each other

6. Kirsten Vangsness and Shemar Moore as Penelope Garcia and Derek Morgan on Criminal Minds.

Morgan putting Garcia's glasses on her and Garcia saying, "How often do I tell you I love you?"

7. AJ Cook and Matthew Gray Gubler as Jennifer "JJ" Jareau and Dr. Spencer Reid on Criminal Minds.

JJ telling Reid that she meant it when she said that she loved him and that he was her "first love"

8. Melissa Benoist and Katie McGrath as Kara Danvers and Lena Luthor on Supergirl.

Kara telling Lena that she doesn't have to be afraid and that she's not going anywhere

9. Jensen Ackles and Misha Collins as Dean Winchester and Castiel on Supernatural.

Castiel weeping and telling Dean that he "cared about the whole world" because of him and that he loves him

10. Jennifer Aniston and Matt LeBlanc as Rachel Green and Joey Tribbiani on Friends.

Rachel and Joey kissing in Joey's apartment and Ross walking in

11. Hugh Dancy and Mads Mikkelsen as Will Graham and Dr. Hannibal Lecter on Hannibal.

Will and Hannibal looking at each other while Will leans against a ladder

12. Hilarie Burton and Bryan Greenberg as Peyton Sawyer and Jake Jagielski on One Tree Hill.

Peyton telling Jake she loves him and can't live without him, and Jake saying that she was meant for better and is "too full of greatness"

13. Sophia Bush and Chad Michael Murray as Brooke Davis and Lucas Scott on One Tree Hill.

Brooke telling Lucas that she misses him and Lucas responding, "And I missed you, too, pretty girl"

14. Shay Mitchell and Bianca Lawson as Emily Field and Maya St. Germain on Pretty Little Liars.

Emily and Maya kissing in a photo booth

15. Alexis Bledel and Matt Czuchry as Rory and Logan on Gilmore Girls.

Logan asking Rory, "You trust me?" and Rory responding with, "You jump, I jump, Jack"

16. Sarah Michelle Gellar and David Boreanaz as Buffy and Angel on Buffy the Vampire Slayer and Angel.

Buffy and Angel crying and Buffy saying that it wasn't "enough time" and saying that she will "never forget"

17. Rose Williams and Leo Suter as Charlotte Heywood and James Stringer on Sanditon.

Charlotte and James looking at each other and smiling

18. Sandra Oh and Kevin McKidd as Cristina Yang and Owen Hunt on Grey's Anatomy.

Cristina and Owen looking at each other on their wedding day

19. Jesse Williams and Sarah Drew as Jackson Avery and April Kepner on Grey's Anatomy.

Jackson telling April that he loves her and asking if she feels the same way

20. Jason Ralph and Hale Appleman as Quentin Coldwater and Eliot Waugh on The Magicians.

Eliot telling Quentin that he was afraid and then kissing him and saying that he learned to be brave from him

21. Elisabeth Moss and Max Minghella as June and Nick on The Handmaid's Tale.

June telling Nick that she wants to name their daughter Holly after her mom and Nick saying, "Holly. That sounds right"

22. Chloe Bennet and Gabriel Luna as Daisy Johnson and Robbie Reyes on Agents of S.H.I.E.L.D.

Daisy telling Robbie that his life sounds terrible, painful, and lonely, and Robbie saying, "Yeah, that about sums it up. But I'm here now"

23. Joseph Morgan and Candice King as Klaus Mikaelson and Caroline Forbes on The Vampire Diaries and The Originals.

Klaus saying that he's leaving and never coming back, and Caroline saying, "Good"

24. Angie Harmon and Sasha Alexander as Jane Rizzoli and Maura Isles on Rizzoli & Isles.

Rizzoli and Isles looking at each other while sitting on a bed next to each other

25. Lindsey Morgan and Richard Harmon as Raven Reyes and John Murphy on The 100.

26. Rachel Bloom and Santino Fontana as Rebecca Bunch and Greg Serrano on Crazy Ex-Girlfriend.

Rebecca and Greg sitting on a bench together

27. Sophie Turner and Alfie Allen as Sansa Stark and Theon Greyjoy on Game of Thrones.

Theon and Sansa holding hands and looking at each other before jumping off the wall

28. Ester Expósito and Itzan Escamilla as Carla Roson and Samuel Garcia on Elite.

Carla hiding behind her hands and smiling when Samuel opens the door

29. Oliver Stark and Ryan Guzman as Evan "Buck" Buckley and Eddie Diaz on 9-1-1.

Buck telling Eddie, "I should've been there. Maybe I could've talked some sense into you"

30. Morris Chestnut and Jaina Lee Ortiz as Dr. Beaumont Rosewood Jr. and Det. Annalise Villa on Rosewood.

Beaumont and Annalise smiling at each other

31. Joel McHale and Alison Brie as Jeff Winger and Annie Edison on Community.

Jeff touching Annie's face and looking at her

32. Blake Lively and Chace Crawford as Serena van der Woodsen and Nate Archibald on Gossip Girl.

Nate and Serena kissing at the white party

33. Leighton Meester and Penn Badgley as Blair Waldorf and Dan Humphrey on Gossip Girl.

Blair telling Dan, "What if I lose everything?" and Dan responding with, "You'll still have me"

34. Anna Chlumsky and Reid Scott as Amy Brookheimer and Dan Egan on Veep.

Dan telling Amy, "You know, we could still be great" and Amy saying, "We could?"

35. And finally, Benedict Cumberbatch and Martin Freeman as Sherlock Holmes and John Watson on Sherlock.

Sherlock talking to John on the phone and saying he was so clever the first time they met

We can't fit everything in one post, so what TV actors do YOU think have amazing chemistry, but their characters didn't end up together? Tell us in the comments below!

Some submissions have been edited for length and/or clarity.