Over the decade, fans have been given amazing tv-shows that have provided some of the most beautiful and ship-worthy couplings. These couplings have not been limited by sexual orientation, race, religion, or age.

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Many show creators and writers have also provided some surprising couplings that have proven to be controversial for some shows. These couplings break the barrier of appropriateness and go beyond the limits of acceptability.

Tommy & Jude - Instant Star

Promotional image of the cast of Instant Star

One of the best Canadian teen sitcomsInstant Star is not only a musically inclined show, but the series also follows the relationship development of Jude Harrison and Tommy Quincy over the 4 seasons.

In the very first season of the series, Jude and Tommy’s chemistry is undeniably apparent, however, Jude is only 15 at the beginning of the series and Tommy is 25. This 10 year age gap doesn't deter the two, however, and the two share their first kiss on Jude’s 16th birthday. Forgetting the inappropriate beginning of their relationship, Jude and Tommy eventually end up together by the end of the series.

Allison & Luther - The Umbrella Academy

Allison and Luther dancing in The Umbrella Academy

Netflix’s The Umbrella Academy follows 7 specially gifted siblings who reunite after their adoptive father dies, and they are tasked with saving the world from an apocalypse. The show introduces the relationship of Allison and Luther, siblings by law but not biology, and their complicated romantic history.

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Some would say the two siblings, although not biologically related, still grew up together as a family, making their love and feelings for each other inappropriate. Even though the series hints at the love between Luther and Allison, the two have never consummated their relationship.

Buffy & Angel - Buffy The Vampire Slayer

Buffy and Angel posing for a promo photo of BtVS season 1

A classic teen show that is better than the movie and still popular today, Buffy The Vampire Slayer follows Buffy Summers's arrival in the town of Sunnydale in the year 1997 and her subsequent mission of being the slayer of vampires and all things evil. In the first season of the show, fans are also introduced to the very handsome and very vampirish Angel, who would become a large part of Buffy’s life in Sunnydale.

These two characters gradually grow closer, eventually becoming romantically involved on a large scale. Herein lies the problem because Buffy is only 16-17 when their relationship becomes romantic and physical and Angel, although sired at 26, is over 200+ years old, making this age gap between the two astronomical.

Aria & Ezra - Pretty Little Liars

One of the most successful relationships from the series, Aria and Ezra didn’t start like your typical high school romance. In the series Pretty Little Liarsthe two initially meet in a bar, with Aria presenting herself as a college student and the two eventually hooking up in the bathroom.

As fans are already aware of Aria’s true age, things become complicated when it is revealed to Ezra that Aria is a high school student that he will be teaching and that he has just committed a crime by being with her. However, this doesn't stop the two from further engaging in an inappropriate relationship between an underage student and her teacher, with the two eventually marrying by the end of the series.

Khal Drogo & Daenerys - Game Of Thrones

Although this relationship would eventually end in love and tragedy, Khal Drogo and Daenerys’s coupling in Game Of Thrones would not be welcomed and celebrated today.

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At the time of their forced arranged marriage, Daenerys was only 16 at the time and Khal Drogo was in his late 20s/early 30s. No matter how uncomfortable she may have been, Daenerys was forced to adapt and welcome her new life and husband without any resistance.

Cersei & Jamie Lannister - Game Of Thrones

Jaime and Cersei reunion in Game of Thrones

The relationship between Jamie and Cersei Lannister in the hit period drama Game Of Thrones elevated the series to another level of crazy. The series has introduced some favorite couples, however, this brother and sister duo is not one of them.

Aside from the obvious factor that the two were siblings, they also proved very toxic for each other. However, this toxicity didn’t stop the two from creating multiple children together and continuing their forbidden union in secret. Although Jamie’s loyalty to his sister was admirable, his love for her proved to be his downfall.

Sam & Hannah Keating - How To Get Away With Murder

How To Get Away With Murder Annalise Hannah Sam

Known for its high propensity for drama and morally corrupt scenarios, plots, and characters, How To Get Away With Murder has seen its fair share of unbelievable reveals of secrets and relationships. However, the true nature of Sam Keating and Hannah Keating’s inappropriate relationship was a huge surprise to fans and viewers.

Sam Keating was presented as the philandering husband of the amazing Annalise Keating and the second murder victim of the first season. After Sam’s death, fans are introduced to his worried and protective sister Hannah, who has made it her mission to prove that Annalise is responsible for her brother's death. It is soon revealed that Hannah was in love with her brother, had sexually abused Sam since he was young, and even gave birth to his child.

NEXT: The 10 Best TV Show Relationships Of The Decade, Ranked