Are you all geeked up for the new "Star Wars: Rogue One"? Got your light sabers charging and Yoda mask and Jedi robes pressed and ready? The series defined sci-fi in 1980s shows. Filmmakers are predicting and hoping for epic crowds as the next movie opens this weekend. But some Disney fails in the famous series could signal one big imperial letdown. Here are some of the fundamental flaws critics have observed with Gareth Edwards' film.

No familiar characters return in 'Rogue One'

Polling series fans shows that many will go to see the newest movie--out of duty.

But they don't expect to like it because the story introduces an entirely new cast of characters. It isn't part of the series, and that's why it's called "Rogue One: A Star Wars Story." So you might say well, they did that in Episode I "The Phantom Menace." The only "actors" from "Return of the Jedi" (1983, Episode XI) were droids C3P0 and R2-D2. But many characters were the same--Obi-Wan Kenobi, Anakin Skywalker and Senator Palpatine (later the Emperor). "Star Wars: Rogue One" features a different plot, characters, and cast.

Disney seems to be telling a new story and tagging it "Star Wars" to lure in fans.

Disney 'Star Wars: Rogue One' confuses

If you saw "Star Wars: A New Hope" in 1977 and followed the next two episodes, there was closure after "Return of the Jedi." You may have wondered why it began with Episode IV, but not much. Then George Lucas decided to revive the series and tell the first three parts of the story.

Fans were introduced to characters in the backstory and much younger familiar faces. They knew that little "Annie" Skywalker (Jake Lloyd) was young Darth Vader. They expected to learn how that cute kid became the feared Sith lord. But they didn't.

Many gaps in 'Rogue One' and Star Wars

Even after six films, fans have never learned what happened between lovers Anakin Skywalker and Padme Amidalah, nor why Skywalkers have such epic relationships and parenting fails.

There is a gap between Episodes III and IV that no Star Wars film has ever filled. It wasn't just that the prequels came out after the sequels. It wasn't the gap of 16 years between "Return of the Jedi" and "Phantom Menace," nor an equally big space before "The Force Awakens." It's a crucial missing segment of the story. Fans may not want to get to know more characters when they still don't have the full story of the original ones.

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