The Hour follows the lives of fictional BBC journalist at the old Lime Grove studios in London, and was a huge success with BBC Two viewers.
Starring Doming West and Ben Whishaw, the show received many nominations, including a Bafta, Emmy and Golden Globe.
An average audience of 2.2 million viewers tuned into the first series, but it ratings fell to 1.47 by the second series.
A BBC spokeswoman said: “We loved the show but have to make hard choices to bring new shows through.”
Are you disappointed that The Hour won’t be coming back? Leave your comments in the usual place.