Operation: Prank Adolf

April Fool's Day is looming and Hank is pulling out all the stops to prank the unprankable Miss Adolf. Can Hank really come up with a way to outwit Westbrook's toughest teacher? Can he succeed without ruining Mr Rock's chances of winning the new top teacher award? Meanwhile, Rosa plans to teach Emily the joy of April Fool's pranks - whether Emily wants to learn them or not..