TV shows become popular through their creativity and relatable characters. Whether they revamp a tried and true formula or craft a completely new story, some series in recent years have undeniably become household staples. On the other hand, some of their spinoff movies leave much to be desired. Some movies are direct additions to a series, such as Teen Titans: Trouble in Tokyo.
Source：https://www.cbr.com/popular-tv-shows-with-unnecessary-movies/
