There is a random water bottle that is on a table and in view during shots during the Dollotron fight scene. The Haunted House is supposed to be Abandoned.
When Robin regains consciousness after being knocked out by Red Hood he looks over the dead Dollotrons. One of the Dollotron's legs move despite being dead.
During the introduction with Vicki Vale, there is a news ticker at the bottom of the screen. There is a segment that begins "Wolrd Renowned..." It should be "World Renowned..."