Today is a very special day. Grover's cousin, Gabby is moving from the big city to work with the Bedford Police Department. Grover gathers his friends and forms a welcome party just for her. They want to take Gabby to "Centerfest", Bedford's annual festival. It's one of the best events of the year Being a police officer isn't always easy, so Gabby is shocked at how nice everyone is to her in Bedford. Gabby feels slightly suspicious. Even...