Sometimes to save a buck or time and effort, assets and animations are reused in CG production. But what about in traditional animation? Well, in instances you'll see in the video below, Disney has reused animated sequences almost entirely in different feature films. Of course this kind of 'reuse' still involves animators hand drawing everything again frame by frame, but they save time and effort by rotoscoping over top of already worked out timing, movement and motion or earlier films that earlier animators already worked out. Quiet interesting and also quite blatant! See for yourself below!