Synopsis

Following a villainous escape from Ghost World on Halloween night, the Thundermans journey to New Orleans to unite with the Hathaways and the Prestons against the spectral threat. But their efforts to save the day are complicated by the chaos of super-powered trick-or-treating, sibling rivalry, and burgeoning teenage romances. This crossover event begins in "Haunted Thundermans Part 1 (I)," episode five of the second season.