Witches can't run away from their legacy, at least not the Halliwell sisters -- Prue (Shannen Doherty), Piper (Holly Marie Combs) and Phoebe (Alyssa Milano).
Phoebe's unborn baby begins to show signs of demonic powers as it begins to take control of her body and attack Paige and anyone else who might be a threat to it.
S4E20 42 min
