Stewie finally says his first word - and it's a swear, leaving Lois shunned by the other moms, so she tries to figure out where Stewie could've heard it.
When Peter hurts himself and a family of squirrels in a chainsaw accident, Chris and Stewie nurse one of the squirrels back to health; a chiropractor realigns Peter's spine and restores him to his true height.
Brian gets a job as a journalist and discovers that Pawtucket Pat, the hero of Quahog and founder of the brewery, was a racist, so the town becomes divided over whether to take down his commemorative statue.
Peter volunteers at the hospital after making it through a bad flu season and finds himself at a crossroads when his mortal enemy, The Giant Chicken, is admitted to ER. After learning he's part cat, Brian has an identity crisis.
Stewie builds a Terminator resembling Peter to destroy Lois for trying to make him eat broccoli, but his life is in danger when things don't go as planned.
A couple at Stewie's school mistake Peter and Lois for "younger parents" and invite them to live in a millennial apartment complex, leaving Meg and Chris home alone.