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Zankou (Oded Fehr) goes to incredibly complex lengths to lure the Charmed Ones into his demonic lair. Meanwhile, one of Zankou's minions turns the girls' mansion inside out in hopes of locating the spiritual nexus that will release the Shadow, thereby imbuing Zankou with the "Ultimate Power." In order to protect his parents, Piper (Holly Marie Combs) and Leo (Brian Krause), from the impending demon assault, baby Wyatt shrinks them both and locks them in a tiny dollhouse -- with neither parent aware of the other's plight!