“The studios in each case were looking for the best financial and creative ways to help their shows get another season, making plans should they get orders,” Dungey said.
At the same time, “on the network side we were thinking what the best fit on the schedule is and looking at the new development. A lot of the decisions came down the wire. At the end — even though both Castle and Nashville have been wonderful shows and great performers — we felt that the future for us didn’t necessarily lie in these shows.”
Source and more: Deadline
— Debra Birnbaum (@debrabirnbaum) May 17, 2016