On Charmed Season 2 Episode 12 – “Needs to Know”, a mysterious SOS call from Whitelighter Helen draws Harry, Mel, Macy and Maggie into a perilous conflict with Darklighter Helen; in an attempt to reignite the Power of Three, Macy resorts to drastic measures. You can watch the full episode below.
About the show:
Mel and Maggie Vera suffer a shock when their mother dies suddenly, but before they have time to heal from their loss, another surprise shows up on their doorstep in the shape of an older sister, brilliant geneticist Macy whom their mother never told them existed.
The emotional stress takes its toll and the girls begin to exhibit impossible new abilities. An explanation comes from an unexpected place: the new chair of the women’s studies department.
Harry Greenwood reveals that the three are powerful witches, and he is their whitelighter, there to advise and guide them as they battle dark forces.