Inner Workings

Inner Workings is a 2016 animated short flim that was produced by Walt Disney Animation Studios. It will debut at the Annecy International Animated Film Festival on June 17, 2016, and will release theatrically alongside the film Moana. Inner Workings utilizes the hand drawn and CG amalgamated "Meander" animation style previously used in the Oscar-winning shorts Paperman and Feast.

Summary
“This is the story of the internal struggle between a man’s Brain—a pragmatic protector who calculates his every move, and his Heart—a free-spirited adventurer who wants to let loose.”

Trivia

 * This short is a homage to the Disney shorts Reason and Emotion and Cranium Command.