It's that time of year when the networks are bringing down the ax on several of their series.
To make room for new series and prepare for this month's presentation to advertisers, executives have been crunching the ratings numbers, checking their pilot inventory, and making easy and difficult decisions about which shows have to go.
Some of the surprises of this season are ABC's dumping of "Castle,""Marvel's Agent Carter," and "Nashville" for low ratings and high budgets.
And Fox killed its Rob Lowe and John Stamos comedy vehicles, "The Grinder" and "Grandfathered," respectively. Despite critical and fan acclaim, and a lot of promotion, people weren't tuning in.
Here are the 17 biggest cancellations of the season so far:
We'll update this story as networks announce decisions.
SEE ALSO: 'Supergirl' is moving to another network — here's why
DON'T MISS: The 22 most exciting TV shows this summer you need to see
"Marvel's Agent Carter" (ABC)
![](http://static4.businessinsider.com/image/537bce68ecad048c5ee490f6-400-300/marvels-agent-carter-abc.jpg)
"Nashville" (ABC)
![](http://static3.businessinsider.com/image/5735dd2452bcd023008c2bf1-400-300/nashville-abc.jpg)
"The Muppets" (ABC)
![](http://static1.businessinsider.com/image/562a74cdbd86ef1c008c4490-400-300/the-muppets-abc.jpg)
See the rest of the story at Business Insider