When the 3 are looking at newspaper ads and they talk about the one about the Psychic Wanted, Raven says that no one but the 3 of them and her family know about her "gift". This is not true, in an earlier episode she was "scouted" by another teen with telekinesis and she went to a place where she met several others with "gifts". They would all know about her secret.
When Victor and Tanya try to break into Cory's safe, Tanya suggests that Victor tries Cory's birth date as the code. The number that Victor puts in, however is 12458, which would have mean that Cory was born on the 24th of January in 1958.
The street sign outside the house says "Ashbury" but Raven says that her street is called "Miranda Place" to Kwizz over the phone.