Apparently, last night's episode of "Grey's Anatomy" was a real doozy.
Spoiler alert for those who haven't yet seen it: Patrick Dempsey's character dies in the episode.
Dempsey played Dr. Derek Shepherd on the show for 11 seasons, but last night was his final appearance.
In the episode, titled "How to Save a Life," Derek saved a bunch of people after a terrible car wreck.
However, soon after, he was involved in a car accident of his own.
He later died in the hospital from his injuries.
Naturally, this upset many "Grey's Anatomy" fans, and they didn't hesitate to share their reactions on social media.
Here are some heartbroken fans' Twitter reactions to Derek's death:
Citations: Greys Anatomy Fans Are Posting Pictures Of Themselves In Tears (BuzzFeed)