1990 | 3 Episodes

Season 0 of Hetty Wainthropp Investigates premiered on May 30, 1990.

1996 | 6 Episodes

Season 1 of Hetty Wainthropp Investigates premiered on January 3, 1996.

1996 | 6 Episodes

Season 2 of Hetty Wainthropp Investigates premiered on November 29, 1996.

1997 | 9 Episodes

Season 3 of Hetty Wainthropp Investigates premiered on November 28, 1997.

1998 | 6 Episodes

Season 4 of Hetty Wainthropp Investigates premiered on July 24, 1998.