Count Dregon plans to turn the Stewart family into insect warriors. Now, Ferbus must find Dex fast before Dregon's evil plan starts to bug the Stewart family. Then, Dex must summon his team. Can our hero save the Stewarts from Dregon's threat?

The Stewarts' Grandma drops by for a visit. Meanwhile, Count Dregon sends his own visitors, who kidnap Grandma. Can our hero save Grandma from a pair of monsters?