Revealing mistake: When one of the Mandalorians snags Ahsoka's right wrist with a cable, it clips straight through her head and neck in the process. (00:15:46)
Continuity mistake: When Anakin and Ahsoka are pinned down behind cover by the sniper droids, the damage the droids' blaster shots on the walls the Jedi are hiding behind changes whenever it's shown. (00:14:26)
Continuity mistake: When Krell is getting in Fives' face about who is going to take the blame for Fives and Jesse disobeying orders, the markings on Jesse's armour are missing. (00:21:21)
Character mistake: When Jesse says that he's "really not liking this", Fives calls him Hardcase when he responds with "don't get an itchy trigger finger." (00:15:35)
Continuity mistake: When Tamson is mocking Lee-Char about asking Nossor Ri for help, Ahsoka has her lightsabers on her belt even though she was disarmed earlier when she and Lee-Char were captured. (00:13:16)
Continuity mistake: R2's squad of battle droids has three members. Yet in the climactic fighting of the previous episode, one of the droids was shown getting destroyed.
Continuity mistake: After Obi-Wan's group has abseiled down the wall of the prison, two of the clone troopers in armour are carrying Separatist blasters instead of the Republic-issue blasters they had before and after. (00:09:38)
Continuity mistake: When the possessed Ahsoka declares that Anakin will be forced to kill her and Force-pulls one of her lightsabers into her right hand, said hand changes positions between the wide shot and the following close-up. (00:12:28)
Continuity mistake: Plo's lightsaber vanishes from his belt between shots when he takes Boba over to Hondo to see if the pirate can persuade the boy to reveal the location of the hostages. (00:19:05)
Deliberate mistake: Pre Vizsla's appearance in the hologram doesn't match up with his appearance in the previous and succeeding episodes, as he's wearing clone armour covered with a cloak that has a different symbol on it. This is because when this episode was being produced, Vizsla's final character model wasn't complete yet. (00:16:25)
Continuity mistake: When Mixer and Redeye are first seen patrolling the Coronet's hold, their armour markings are visible in the first shot, but in the second, their armour is suddenly plain. (00:01:42)
Continuity mistake: After the newsreel, the episode's opening scene is of Grievous seeing Republic ships flying in to land and declaring that he needs to find an escape pod. But only in his second scene in the episode is Grievous informed that the transmitter on his escape pod is broken, prompting him to make that decision. (00:01:25)
Continuity mistake: When Mace and Ponds have the exchange that ends with the Jedi General dropping "I have a bad feeling about this", Ponds' kama (kilt) has a blue border instead of the usual maroon to match his armour. (00:08:43)
Continuity mistake: Ahsoka is wearing a red bodysuit for most of the episode, but when she falls to the floor after Bane shocks her unconscious, her legs are miscoloured a pale pink. (00:13:21)
Continuity mistake: When Obi-Wan lines up his commandeered cannon for a second shot and Waxer and Boil load in another charge, they grab the ammunition from the same exact position at the top of a stack that they took the first ammunition charge, used for Obi-Wan's first shot with the commandeered gun. (00:21:09)
Continuity mistake: Obi-Wan drops his lightsaber during the run-in with the gutkurrs, and Cody is explicitly shown returning it to him after the creatures are contained. However, when Obi-Wan initially releases his control on the creatures, the weapon is visible on his belt. (00:17:24)
Continuity mistake: When Obi-Wan, Waxer and Boil take cover behind some rocks on the way in to Nabat, in a close-up of Obi-Wan, the armour markings of the trooper next to him are missing. (00:04:37)
Continuity mistake: The Resolute's bridges are missing their red colouration when it arrives at Ryloth and moves to angle its hull towards the Separatist ships. (00:20:51)
Continuity mistake: When three starfighters fly from the Defender to the Resolute, the Resolute's bridges are missing the red colouration on their tops. (00:15:23)
Continuity mistake: When Jar Jar and one of the clones are shown burying Kharrus, a creature walking by in the background disappears between the shot where Commander Stone is looking at what's going on and the following close-up. (00:08:53)
Answer: I would say his death in Phantom Menace was more of a controversy. He was a fan favorite character from the movie, and his fight scene largely regarded as the best part of the movie. It was more he was brought back to please the Star Wars fans and few, if any, had problems with it.
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