Slow Cooker Triple Chocolate Cake

Yes, it's a TRIPLE chocolate cake.  And yes, it's done in the slow cooker.  And yes, it's delicious!  And super easy too! It's also very, very moist, so you can serve it as is, or with some ice cream on top.  Enjoy!
-1 (15.25 oz) box Devil's food cake mix
-1 (3.9 oz) box instant chocolate pudding mix
-1 cup semi sweet chocolate chips
-2 cups sour cream
-3/4 cup vegetable oil
-4 eggs
-1 cup water
Coat slow cooker with cooking spray.  In a large bowl, mix all ingredients together.  Pour into crock pot.  Cover and cook on low for 5 hours.  Carefully, invert it onto a plate.  Slice and enjoy!