Decadent Chocolate Delight

1 pkg (about 18 oz) chocolate cake mix
1 cup (8 oz) sour cream)
1 c chocolate chips
1 c water
4 eggs
¾ c vegetable oil
1 pkg (4 serving size) instant chocolate pudding and pie filling mix

1- Lightly grease inside of slow cooker.
2- Combine cake mix, sour cream, chocolate chips, water, eggs, oil and pudding and pie filling, mix in slow cooker; mix well.
3- Cover; cook on LOW 6-8 hours or on HIGH 3-4 hours. Serve hot or with warm ice cream.