Nathan Fillion has previously opened up about what happened with the hit series that went on for eight seasons.
[The Rookie](https://www.hellomagazine.com/tags/the-rookie/) star [ Nathan Fillion](https://www.hellomagazine.com/tags/nathan-fillion/) has had huge success with the popular show, which is currently on its fifth season. However, the star's previously much-loved series [ Castle was cancelled after eight seasons back in 2016](https://www.hellomagazine.com/film/20230131163149/nathan-fillion-feud-co-star-stana-katic-details-castle/), despite initially announcing that it was coming back for a ninth instalment. "The fact is, I made a lot of great friends on a really great show. Following her departure, creator Andrew Marlowe confirmed that the show was actually ending, despite reports that Nathan had already signed a contract for season nine. She will be missed." It was originally announced that season nine would be going ahead, but wouldn't