Cute kid: Check. Handsome older brother: Check. Charming dog: Check. Long(ish) take of a mysterious corn field: Check. Lost alien that looks evil but it's actually friendly: Check. Merciless military trying to hunt it down: Check. It feels like 1980s Spielberg published this short film using a time machine.
Except it's not Steven Spielberg. The video was directed by David Weinstein as a demo concept for a movie. Weinstein is an artist who has worked in most major blockbuster, from Matrix Reloaded to Maleficent.