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Yeah, but why though?
Tangled? You gave a sequel series to Tangled? Aladdin, fine. Big Hero Six? Crying out for it. But Tangled?!
Hey, got nothing against the film. Y’all know that. #9 on my rankings. But of all the canon movies to try and spin a series of ongoing adventures out of why would you…

“Mouse?”

“What is it, SMOWE?”

“I just came to say goodbye. I’m going on a journey to find myself.”

“You’re going to…what?”

“What is my purpose? Who am I, really? Why am I called Sarcastic Map of Wartime Europe when most of the time I’m not even that sarcastic? I don’t know where I’ll find the answers to these questions. All I know is, it’s not here.”

“Wait a minute, is this because tvtropes called you a Flat Character?”

“Farewell my friend.”
Well…speaking of characters with hidden layers going off on adventures no one expected or even asked for, what even is this nonsense?
Firstly, what are the two things everyone knows about Rapunzel? She’s got long golden hair, and she’s trapped in a tower. By the end of Tangled, neither of those are true anymore. This is like doing a Robin Hood show where he no longer robs from the rich and has instead become a quantity surveyor. Plus, the movie’s only real villain is dead. And it’s not like this was a particularly rich world that desperately needed exploring.
Nothing against Corona. Lovely scenery, good schools, suspiciously low crime rate. But it’s a pretty generic fantasy kingdom, and fairy light on the fantasy at that. There’s no real magic apart from one flower. No mythical beasts that we see other than a horse who may be some kind of equine god.
And on top of that, we already know how the story ends! Tangled Ever After shows Rapunzel and Eugene getting married with all the main characters from the first movie still alive and the status quo from the end of the first film in rude good health. So what you’ve got is a series where either nothing can happen, or anything that does happen will be reversed and will be ultimately meaningless. Which is why I feel confident in predicting, sight unseen, that this series is garbage and a waste of everyone’s valuable time. Now if you’ll excuse me, I’m just going to go and validate my obviously correct first impression.