Reaction to the series finale of "How I Met Your Mother" was legendary ... for all the wrong reasons.

The CBS sitcom finished its nine season run on Monday night, and was met with criticism over its shocking twist of an ending. Warning: Spoilers Ahead.

Yes, fans of the series did find out how Ted (Josh Radno) actually met "The Mother" (Cristin Milioti) ... and learned her real name is Tracy McConnell (the same initials as Ted, explaining the umbrella mix-up), but their happiness was short lived.

Ted and Tracy had babies and got married, but then she got sick and died. Viewers learned Ted's story to his children was being told six years after her death -- and their biggest takeaway from the tale was how their dad was clearly in love with "Aunt Robin" (Cobie Smulders).

So, after nine years of trying to find out how he met "the mother," it turns out the point of the whole story was getting his kids' blessing to date again after their mom's death. And, no disrespect to their mom, they were more than happy to see him moving on.

He was then seen rushing to Robin's home, where he proclaimed his love for her by presenting her with the blue french horn from the series premiere, bringing the story full circle.

In non-Ted related business, we found out that Robin and Barney's (Neil Patrick Harris) marriage (which was the focus of the entire final season) quickly fell apart. He followed up the divorce by having the "perfect month" and getting one of his random hookups pregnant.

In a very sweet moment, Barney is seen telling his newborn daughter "You are the love of my life. Everything I have and everything I am is yours. Forever." 

Lily (Alyson Hannigan) and Marshall (Jason Segel) also had a third child, while the latter became a judge with an eye for the Supreme Court.

A lot of fans were clearly upset by the finale, feeling cheated by the twist at the end -- and there was so much criticism, Radnor himself had to speak up to defend the episode.

Check out some of the negative tweets below, even Zach Braff had an opinion! How did you feel? Let us know in the comments! 

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