Guy, Robot is episode 03 of family guy season 14. It was originally aired on October 11, 2015.
Stewie doesn’t like Brian’s stand-up comedy jokes, so the two of them fight. To get back at Brian and make him jealous, Stewie builds a robot friend. But when the robot outsmarts Stewie and dumps him, Brian and Stewie reunite. Meanwhile, Lois forces Peter to get a new mattress.