The name of the Proton Cruiser from Galaxy Wars is "Rogue IV", but it's misspelled on the cruiser itself. Whoever was in charge of stenciling the name of the ship on the cruiser spelled it "ROUGE IV" on both sides of the ship. Response: Because the ship also has stenciled "NOT AN ACTUAL PROP FROM GALAXY WARS", it was likely misspelled in purpose to indicate that it was not an actual prop.
If Carly, Freddie and Sam wanted to expose Nevel's scheme, all they had to do was take the Inspector to the owner of the car dealership and prove that he doesn't have a son and that the kid posing as him was a fraud, which would have easily ruined Nevel's plan and they would've never had to give away a car. Response: This assumes that the inspector believed their story.
The Inspector claims that if Carly, Sam and Freddie did not provide the winner a new car, Icarly would be shut down. In reality, they would have simply been sued for false advertisement. Response: As this show takes place in its own TV sitcom world with an LCC agency, one has to assume in this world the LCC has the power to shut down the show.
When Sam beats up on Nevel in the hallway. When fight is done her hair is messed up in the medium shot. But when it goes to a long shot her hair is still messed but is more neatly combed and is more neatly combed when inside Carly's apartment.