~1.5 megs, down from 11 using ezgif's transparency optimization tool at 4% fuzzification
the frame-to-frame color value changes in this are dominated by quantization noise, it's really visible on mickey's face and the light portion of your dog's bed but if you look closely it's pretty much everywhere. This is a common issue with camera recordings just as the result of the camera not being on a tripod, the lighting not being hollywood consistent, etc but for shots like this where huge portions of the sceneery remain static, optimizing transparency does wonders