There’s nothing worse than starting a TV show, getting invested in the rich plot and characters, and having it ruined by a bad final season. Ranging from rushing through the plot to destroying a beloved character’s growth in the final seasons, many TV shows fall into the trap of being ruined because of unsatisfying and terrible endings. Sudden cancellations of TV shows and cutting down on the length of the final season are often the culprits behind messy final seasons.

https://screenrant.com/bad-final-tv-show-seasons-more-episodes-list/