| That '70s Episode | ||||
| The Halliwells encounter a warlock that has been waiting for years to obtain the sister's powers. The warlock is immune to the powers of the Charmed Ones after making a deal with their mother to spare her life in the past. In order to save themselves, the girls cast a spell which returns them to mid-70s when the deal was made their grandmother and mother are still alive, Prue and Piper are playful little witches and Phoebe is still unborn. | ||||