In episode #818 (Devil Doll) Pitch shows up on the SOL and teach Crow how to transfer the soul of a person into an object... just like in today's movie!
So what do Crow and Servo do with this new found power? Transfer Servo's soul into a pretty low rent version of Servo's body.

Quaker Oats can, cassette tapes, markers (exhaust pipes), small salad bowl, electrical tape, tears...