When the Hulk broke his feet out of the bottom of the stock, it is clear to see that he has green tights on.
Green makeup can clearly be seen on Li Sung's black robe when the Hulk hands him to Rick Springfield.
When the Hulk escapes the burning hotel, it's clearly seen to be stock footage from an earlier episode.
During a sequence, a newspaper is shown displaying a headline about the shooting investigation. The newspaper is shown to be one from Los Angeles, but the story was set in San Francisco.