Episode 48 of "Angel"
s03e04 Carpe Noctem
Title: Carpe Noctem
Original Air Date: 10/15/2001 on WB
Director: James A. Contner
Writer: Scott Murphy
Guest Stars: Paul Benjamin (Retirement Home Resident), Misty Louwagie (Christina), Marc Brett (Health Club Phil), Paul Logan (Woody), Steven W. Bailey (Ryan), Lauren Reina (Escort #1), Magdalena Zeilinska (Escort #2)
Plot Outline:
An old man casts a body-switching spell on Angel, and the old man enjoys the many pleasures of being eternally young, handsome and bloodthirsty in Los Angeles while a dying Angel tries to get his body back.