Question: Why on earth would two men without so much as a mask rob a newscaster during a live broadcast? The news is being broadcast to the whole town, so everyone would be able to know what they look like. Even with the power out all over the town, the news station would easily be able to produce a tape for the police.
Other mistake: Drake and Josh find the monitor in Megan's room. After they reveal the normal wall and the family leaves, Megan hits the button behind the picture to show the monitors. However, when Drake and Josh find out that Megan entered the salsa competition, they storm into her room, but the button is still revealed in the background.