In a medium mixing bowl, mix together the pancake mix, pie spice, and brown sugar.
In another bowl, whisk together the pumpkin puree, canola oil, vanilla and water.
Add the pumpkin mixture to the pancake mixture and mix until well incorporated.
If need to, add more water to obtain the right consistency.
If using an electric griddle, heat to 375.
If using a pan, preheat over medium heat and lightly grease with cooking spray or butter.
Pour about a 1/4 cup of the batter onto the griddle or pan.
Let them cook until the edges start to look dry and bubbles form in the middle.
Flip the pancakes with a spatula and continue to cook for another minute or two.