Episode 46 of "Buffy, the Vampire Slayer"
s03e12 Helpless
Title: Helpless
Original Air Date: 01/19/1999 on WB
Director: James A. Contner
Writer: David Fury
Guest Stars: Don Dowe (Construction Worker), Harris Yulin (Quentin Travers), Dominic Keating (Blair), David Haydn-Jones (Hobson), Nick Cornish (Guy)
Plot Outline:
For her upcoming 18th birthday, Buffy declines the scooby gang's offer of a big party, hoping to celebrate with quiet reflection and a traditional trip to the ice show with her father. But unbeknownst to Buffy, preparations are being made for a life-threatening rite of passage that drains the slayer of her powers and then entraps her with a powerful vampire foe that she must defeat in a defenseless state in order to pass the test.