A powerful warlock shows up claiming that he made a pact with the sisters' mother in which he spared her life in exchange for the girls' powers. Fleeing him, the three sisters go back in time to the 1970s when their mother was still alive and they try to prevent the pact.
| Title | That '70s Episode |
|---|---|
| Genres | Comedy Drama Mystery Sci-Fi & Fantasy |
| Release Date | 1999-04-07 |
| Episode Runtime | 00 Hours 42 Minutes |
| Season Number | 1 |
| Episode Number | 17 |
| Production Companies | Spelling Television, Worldvision Enterprises, Paramount Television, CBS Studios |
