The slice-of-life musical was only Minnelli's third film (after the all-black musicalCabin in the Sky (1943)and the musi-comedyI Dood It (1943)with Red Skelton) and it was Minnelli's first full-length film in color.He asked: "Are the guests having fun? Are the animals enjoying life?" Claire answered: "Guest satisfaction is steady.After disapparating with Luna and Ollivander to Shell Cottage's beach, Dobby returned to save Harry Potter and his friends.Subdued and enslaved humans were literally plugged into and harvested as batteries (they were an energy or power source derived from their body heat and neural bio-electrical activity) by a race of machines.