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Marshall and Lily - If there is one constant in 'How I Met Your Mother,' it is the love Marshall and Lily have for each other. Their never-ending humor, pet names, and pranks make for the perfect TV couple.

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Homer and Marge - You can't talk about TV couples without paying homage to Homer and Marge in 'The Simpsons.'

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Meredith and Derek - "Pick me. Choose me. Love me," is the epitome of this 'Grey's Anatomy' love story. Meredith Grey and Derek Shepherd (a.k.a McDreamy) are easily at the top of this list.

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Lucy and Ricky - This classic TV couple is still an absolute fan favorite. The 'I Love Lucy' duo's romance and antics are huge part of the show's success.

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Raymond and Debra - Some TV romances are passionate, others dramatic, but for Raymond and Debra on 'Everybody Loves Raymond,' their love story is just downright relatable. Showcasing the hilarity of family life, this TV couple is a fan favorite.

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Seth and Summer - For every goofy nerd out there pining for the most popular girl in school, Seth Cohen from 'The O.C.' is here to say dreams do come true.

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Chuck and Blair - For true 'Gossip Girl' fans, the Chuck and Blair love story is the only TV romance that matters. It took many seasons, but Ed Westwick and Leighton Meester FINALLY figured it out.

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Hank and Karen - Hank and Karen from 'Californication' have that passionate love that never quite makes sense. She is his muse and he is her headache. However, no matter what they put each other through, fans will always root for them.

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Nathan and Haley - If you didn't want to get a number 23 tattoo and a high school husband, did you even watch 'One Tree Hill'? Nathan and Haley are forever the teenage sweethearts fans needed.

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Luke and Lorelai - Luke and Lorelai's courtship on 'Gilmore Girls' captured the hearts of audiences around the world. Not sure if it was the diner coffee or the backwards hat, but these small-town heroes were always meant to be.

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House and Cuddy - Fans had to wait so long for this epic TV relationship. On 'House,' this doctor-hospital manager rapport was full of wit, sexual tension, and medical drama. What else could a viewer ask for?

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Adam and Kristina - The hit series 'Parenthood' showed the trials and tribulations of family life. Watching Adam and Kristina struggle and succeed was the very best part.

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Emma and Hook - On and offscreen, this 'Once Upon a Time' couple was making the world go "Awww." Emma and Hook defeated all of the evil forces to be together.

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Jim and Pam - Jim and Pam from 'The Office' are arguably the most beloved couple in TV history. From stolen glances across the room, fun flirting, to true love, watching this relationship bloom was always entertaining. In the end, sometimes the good guy does get the girl.

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Eric and Tami - Coach Eric Taylor is nothing without his fierce and formidable wife. This 'Friday Night Lights' duo is something to cheer about.

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Ross and Rachel - "WE WERE ON A BREAK!" will forever be the essential 'Friends' quote. From the pilot to the finale, Ross and Rachel's love story was the backbone of this iconic TV series.

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Mulder and Scully - Fans have loved this 'X-Files' romance for decades! These police agents are the original TV power couple.

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Doug and Carol - Though there are plenty of medical show romances on this list, 'ER' set the stage. George Clooney and Julianna Margulies will always make one dreamy couple.

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Jack and Kate - If you are fan of couple names, you can go ahead and thank Jate from 'Lost.' There may have been an awkward love square, but Jate are undoubtedly the fan favorites.

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JD and Elliot - Of all of the medical show relationships on this list, JD and Elliot from 'Scrubs' get the award for being the most fun. Their on-again off-again banter lasted nine straight seasons, and fans could have watched nine more.

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Olivia and Fitz -

While 'Scandal' may have one of the most epic love triangles in TV history, there is no denying that Olivia and Fitz were a TV couple to fall for.

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Keith and David - Of all of the TV romances on this list, Keith and David from 'Six Feet Under' definitely get the loyalty award. They stuck together through all of the over-dramatized plot twists.

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Veronica and Logan - This 'Veronica Mars' couple defined the love-hate romance. Quick wit and sexual chemistry galore, these two were one of the best couples to watch.

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Penny and Leonard - She didn't take him seriously, and he loved her endlessly. This is the smart and always cute love story from 'The Big Bang Theory.' In the end, Penny and Leonard had their happily ever after.

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Carrie and Mr. Big - Carrie Bradshaw and Mr. Big's relationship was always something to write about. Out of all the 'Sex and the City' flings, these two were always the fan favorites.

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Jackie and Kelso - This iconic duo not only fell in love on 'That '70s Show,' but in real life as well! Mila Kunis and Ashton Kutcher have always been a celebrity couple to fall for.

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Uncle Jesse and Aunt Becky - While there were plenty of relationships in the hit series 'Full House,' none of them could come close to the legendary love of Uncle Jesse and Aunt Becky.

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April and Andy - Some relationships just work, and April and Andy in 'Parks and Recreation' were the perfect blend of weird and adorable. They were utterly inseparable.

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Brittany and Santana -

Throughout the long and successful run of 'Glee,' there were countless relationships and love stories. However, the real and powerful romance of best friends Brittany and Santana is still discussed years later.

See also: 8 types of love to look out for

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