Part 1 of 2. In this fun, but terrifying 2-part Halloween-themed crossover special with "The Haunted Hathaways", the Thundermans' plans to enjoy trick or treating on Halloween are put on hold when an evil ghoul super-villain Hank defeated and imprisoned 2 decades prior escapes from Ghost World prison on Halloween Eve and plots world domination and revenge against Hank, endangering the planet and jeopardizing the future, so the family jet out to New Orleans and decide join forces with the Hathaways and the Prestons, uniting their powers to ultimately defeat the ghoul once and for all, no matter what it takes.
—Anonymous