Spritz slow cooker lightly with cooking spray.
Pour corn into bottom of slow cooker. Whisk together cream, milk, butter, sugar and salt. Pour over corn, gently mix.
Arrange cubed cream cheese on top. Cover and cook on high for 2-3 hours or on low for 5-6 hours.
Stir well to combine cream cheese adding crumbled bacon. Reserve some bacon for garnishing the top. Let stand for 5 minutes uncovered.
Garnish with remaining bacon and green onion then, serve.