Crack That Whip

Betty Jo Flynn and Hildegard Johnson have a roller derby rematch: Betty Jo, Ferb and Candace against Hildegard, Jeremy and Suzy. But Candace is worried that if her team wins, Jeremy might not like her any more. Dr. Heinz Doofenshmirtz is out to destroy a statue of Rutherford B. Hayes, but is plagued by a terrible headache.