🚨Warning: A year's worth of TV spoilers ahead! 🚨
1. First, Sandra Oh and Jodie Comer gifted us with our favorite new pairing when they brought Eve and Villanelle's complicated dynamic to life in Killing Eve.
2. Each actor in The Haunting of Hill House brought their own incredible talents and reminded us how powerful an ensemble can truly be.
3. Cody Fern's portrayal of Michael Langdon in American Horror Story: Apocalypse rejuvenated the series in the best way possible — plus, we love falling in love with a villain.
4. Sarah Paulson's ability to slip back into the role of Cordelia in AHS: Apocalypse solidified her as one of the best TV actresses in 2018.
5. This Is Us revealing how Jack died remained one of the most talked about TV moments this year and it's all thanks to Milo Ventimiglia and Mandy Moore's work as Jack and Rebecca.
6. In The Good Place, William Jackson Harper continued to make Chidi one of the most relatable and lovable characters on TV.
7. Taking on the first female version of The Doctor was a massive undertaking, but Jodie Whittaker made this season of Doctor Who a memorable one.
8. Justina Machado made us both laugh and cry, so it's no surprise her work as Penelope in One Day at a Time made a lasting impact this year.
9. Rachel Brosnahan continued to amaze as the quick-witted Midge Maisel in the newly-released The Marvelous Mrs. Maisel Season 2.
10. In a TV show dominated by veteran actors, Eliza Scanlen's work as Amma in Sharp Objects left us speechless.
11. Another crazy talented ensemble, the cast of Elite gifted us with one of the best teen TV shows in recent memory.
12. Darren Criss's Emmy Award-winning turn as Andrew Cunanan in The Assassination of Gianni Versace: American Crime Story gave us chills from start to finish.
13. Elizabeth Olsen delivered a powerful performance in Sorry for Your Loss as her character Leigh struggled to accept her husband's sudden death.
14. Melanie Scrofano and Dominique Provost-Chalkely's sisterly bond as Wynonna and Waverly in Wynonna Earp had us both crying and laughing this year.
15. While The Walking Dead has struggled these last few seasons, Andrew Lincoln's final moments as Rick Grimes reminded us why we fell in love with the show in the first place.
16. Catherine O'Hara continued to prove why she's one of the funniest actors ever because Moira Rose in Schitt's Creek still made us laugh hysterically.
17. Yvonne Strahovski's ability to somehow make us feel for Serena Joy in The Handmaid's Tale remained one of the biggest TV shockers of 2018.
18. Donald Glover, Brian Tyree Henry, and Lakeith Stanfield not only grew their respective characters this year, but they continued to amaze us as an ensemble in Atlanta.
19. We're still not over the almost-cancellation, but despite it all, the cast of Brooklyn Nine-Nine continued to develop their characters in all the right ways.
20. Andrea Navedo gave a heartbreaking performance when Xiomara was diagnosed with cancer in Jane the Virgin.
21. The Americans may have ended in 2018, but not before Matthew Rhys and Keri Russell continued to prove why this show was so damn good.
22. Sophie Skelton's work as Jamie and Claire's daughter Brianna in Outlander proved that, even on an established drama, the best is yet to come.
23. Nothing on TV this year quite compared to D'Arcy Carden's work in an episode of The Good Place where she played Janet, Eleanor, Chidi, Tahani, and Jason.
24. Richard Madden's work as David Budd in Bodyguard proved that a lot can be conveyed with a single look.
25. And finally, only Michelle Gomez could make a character named Madam Satan in Chilling Adventures of Sabrina one of the most talked-about characters on TV this year.
What were your favorite TV performances this year? Tell us in the comments below!
It's the end of 2018, and we're looking back on the year. Check out more of our Best of 2018 coverage!