15 shocking TV moments that made fans furious

Some fans were heartbroken when producers killed Marissa Cooper in a fiery car crash during the season three finale of "The O.C."

"The Walking Dead" fans couldn’t stomach Glenn's violent and sadistic death.

"Pretty Little Liars" fans were upset when writers fell back on a transphobic trope to reveal the identity of the show’s villain known as "A."

Many viewers thought Sansa’s rape went way too far on "Game of Thrones."

"How I Met Your Mother" fans were furious to learn Ted’s wife had been dead for years when her identity was revealed.

Fans were annoyed when Dan was revealed as "Gossip Girl" in the series finale.

Derek's death on "Grey’s Anatomy" sent fans spinning.

When "Family Guy" killed off the Griffin family's dog, more than 120,000 fans signed a petition to bring him back.

Season five was full of disturbing moments for "Game of Thrones" fans who were especially heartbroken by Shireen’s death.

When Lexa was killed off on "The 100," viewers turned to social media to let producers know "LGBT fans deserve better."

Peter Quinn’s death on "Homeland" inspired some fans to take out an ad expressing their anger.

The series finale of "The Originals" didn’t offer enough closure for some fans.

"Pretty Little Liars" fans lashed out on social media and bullied showrunner I. Marlene King because they were disappointed with the series finale.

Fans continued to harass show co-creator Damon Lindelof over the "Lost" series finale for years.