The Courtship of Stewie’s Father is episode 16 of family guy season 04. It was originally aired on November 20, 2005.
When Stewie intensifies his efforts to kill Lois, she thinks he is acting out and orders Peter to spend more time with him. They begin to do some bonding until a theme park outing ends disastrously. Meanwhile, Chris does some bonding of his own when he develops a friendship with Herbert after breaking his window.