The Powell's lives are in danger when a super-villain with animal-like powers is tasked by Mrs. X to eliminate the family. Meanwhile, good girl Daphne takes a rebellious step by ditching school with boyfriend Chris to attend a Sara Bareilles music video shoot. J.J. becomes suspicious of Mr. Litchfield's motives when he's presented with harder math questions compared to the others in the decathlon team; Katie makes a discovery about Joshua.