In many episodes, the missiles Starscream fires on his arms re-appear after being fired.
In a handful of episodes when the map of the United States is shown on the Autobots' monitor screen, the state of Louisiana is placed inside Texas, and there is a gap where Louisiana should be.
Since the show often recycled their CGI assets, this meant that the jet flown by Agent Fowler has all sorts of robot-bits on it because it used the same animation model as Dreadwing's and Skyquake's jet forms.