Mr. Young (2011)

S1E2 Mr. Roboto

Facing difficulties managing his class, Adam builds a robot student named Arthur to help enforce discipline. When Mr. Tater discovers this, he jokingly threatens Adam's life. Misunderstanding the humor, Arthur interprets the comment literally and sets out to eliminate Tater, as his main directive is to safeguard Adam. Now, Adam and Derby must find a way to halt Arthur before things spiral out of control and Adam himself becomes a target.