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"The Witcher" is a beloved Netflix series, but even it's not immune to a few onscreen mistakes.

"Star Wars" fans are notoriously difficult to please, but some complaints stand out as notorious missteps just about anyone can agree represent huge mistakes.

Here are a few of the biggest missteps that the comics powerhouse and blockbuster movie machine will never be able to erase, try as they might.

In its many years on air, NCIS has had a number of onscreen mistakes that made it into the show. Accidental boom mics and crew members lingering in the background of scenes are pretty commonplace blunders, so we're going to focus on highlighting the biggest visual mistakes we've seen on NCIS so far.

Because the show is so complex, there are bound to be a few loose ends and plot holes bouncing around, and with its final outing, Thrones introduced plenty more plot holes fans can agonize over throughout every rewatch.

"Longmire" found a new home on Netflix when A&E dropped it after three seasons. Even the biggest fans can't ignore these obvious blunders.

Tony Stark might be a good guy, but that doesn't mean he hasn't made his share of mistakes. And when you're an internationally famous superhero scientist, your mistakes tend to have pretty big consequences. From evil robots to arc reactors, these are Tony Stark's biggest mistakes.

"Game of Thrones" spinoff "House of the Dragon" needs to avoid sexposition, incoherent characters, plot armor and these other shortcomings that hurt its source.

From monologuing to killing themselves to make a point, these are the dumb mistakes bad guys make again and again — and how they can learn from them.

Mistakes happen all the time on TV shows, but some glaring errors in the opening credits of certain series have lasted for years.

From coffee breaks to migrating scars and rubber swords, here are a few of the biggest onscreen mistakes you can catch (and chuckle at) throughout Game of Thrones.

Eleven is definitely the most powerful character in Stranger Things, but she's also just a kid ... and kids are bound to make mistakes. From misunderstanding social situations to straight-up ending her enemies, here are the biggest mistakes that Eleven has made in Stranger Things.

While the stories may be about superheroes, there are still fallible human beings working on Marvel films -- here's are some of their biggest mistakes so far.

Whether they're editing blunders, wardrobe screw-ups, or continuity errors, here are some of the biggest on-screen mistakes you'll find in Star Trek TV shows.

The Big Bang Theory stars a group of brilliant scientists -- but that doesn't mean the show isn't full of glaring errors. We're here to take a look at the worst mistakes the show ever made, from the experiments that should have killed characters to major untruths in the show's theme song.

Thor is a hero, a god, and a stalwart Avenger. But he's also stubborn, obstinate, and impulsive -- flaws that have wreaked havoc on the MCU more than once before. From his foolish trust in Loki to his failure to go for the head, these are Thor's greatest mistakes.

As "The One," a figure of destined power within The Matrix's computer-generated reality, Neo frees the world from techno-slavery. But that doesn't mean he hasn't made some giant mistakes along the way. From the tiniest missteps to the world-ending choices, these are Neo's biggest mistakes.

Even heroes make mistakes, and Dominic Toretto has made his fair share.

According to former FBI agent Bobby Chacon, there are several things "NCIS" gets wrong about solving crimes, processing evidence, and assigning cases.

During the "NCIS: Los Angeles" Season 7 episode "Internal Affairs," Marty Deeks' past with a former LAPD partner puts the character in a different perspective.

Here are the pitfalls "Star Trek: Strange New Worlds" should avoid while making a back-to-basics "Star Trek" show.

In a bizarre and unexpected twist, many social media users were able to watch the entirety of "The Super Mario Bros." movie after it was uploaded on Twitter.

While Frank Reagan (Tom Selleck) has to worry about people looking to kiss the ring on Blue Bloods, he's assembled a team of people who refuse to do just that.

If you want to keep your campaigns fun and interesting, make sure you steer clear of these mistakes when it comes to the Dungeons & Dragons ruleset.

Every TV show makes at least a few mistakes, and "House of the Dragon" is certainly not above a number of noticeable flubs.

Young Sheldon's wardrobe is both similar to and entirely distinct from adult Sheldon's attire on The Big Bang Theory. The fans have some theories why.

Maria Baez has faced some notable obstacles during her time on "Blue Bloods," but it's her mistake in one Season 12 episode that's arguably her biggest ever.

Does The Gray Man make sense or is it just a bunch of sound and fury signifying nothing? Let's delve into its biggest unanswered questions and find out.

Gold Rush's Freddy Dodge and Juan Ibarra recently offered some sage advice to prospective miners looking to get in on the potentially lucrative action.

In its long-awaited fourth season, "The Boys" makes a decision regarding Billy the Butcher's main storyline that may prove to have been a mistake.