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And TV shows like Supernatural or The Good Place are exceptionally good at reinvention. Others aren’t, though, failing because their changes are tonally inconsistent, repetitive, or too far along in their run. From a vampire show that gets worse after its heroine becomes a vampire to the CW’s murder mystery that went off the rails, these series are prime examples of the latter.
5) The Vampire Diaries

The Vampire Diaries opens with Elena Gilbert discovering the supernatural in her town, then follows her as she navigates the news that vampires, werewolves, and witches are real โ and, for various reasons, have their sights set on her. The first few outings of the series weave together supernatural storylines and teen drama in a way that’s truly entertaining. However, things shift when Elena herself becomes a vampire at the end of Season 3. The show never regains its magic; instead, it loses its moral center and upends its best relationship dynamics. And thanks to a series of cast departures (including Nina Dobrev), it continues to tweak its premise through to the end. Sadly, it never really works.
4) Scrubs

Scrubs remains one of the most entertaining medical shows out there, but its final season reflects poorly on it โ and it’s because it’s basically an entirely different series. The show we all love gets a proper send-off at the end of Scrubs Season 8, which is clearly meant to be the finale. However, Scrubs Season 9 returns with a new concept that it’s not bold enough to deem a full-on spinoff or sequel. It attempts to alter the comedy’s concept, changing its focus to medical students rather than the professionals we’ve been following. It also drags them along, though, resulting in a weird mash-up of new and old that doesn’t successfully sell either.











