Peter infiltrates Quahog High School as a new student.

Chris is approached to join the military. Brian goes to the recruiting headquarters to voice his opinion, when Stewie signs himself and Brian up for the military. They pass Boot Camp and are shipped to Iraq, where they try to get honorably discharged by doing anything they can. Meanwhile, Chris decides to join a goth band.

After Peters dad, Francis, dies, Thelma tells him that his real father actually lives in Ireland. So Peter and Brian decide to head there in search of his father, who ends up being the town drunk. They decide to play a drinking game to prove his paternity. Meanwhile, Stewie acts out and Lois spanks him. Realizing that he likes being spanked, Stewie does whatever he can to get into trouble.

Overwhelmed with financial troubles, Mort asks Peter and Quagmire to help him save his pharmacy. However, things take a turn for the worse when the trio decides to burn it down to collect insurance money

Meg's exciting European adventure comes to a halt when she is kidnapped; Stewie and Brian embark on an action-packed rescue mission..

To boost Chris' self-esteem, Peter and Lois send him to space camp. When camp ends and the Griffins come to pick Chris up, they accidentally are launched into outer space, and it's up to Chris to land the clan safely back on earth.

Peter gets himself arrested to avoid Lois' special Thanksgiving dinner; A secret that Stewie's been keeping from everyone is revealed.

Peter secretly gets a credit card and overspends the family money, so Lois grounds him. To plan the perfect escape, he builds a tunnel leading directly to The Drunken Clam.

Stewie's future life could not be going any better, living as a wealthy, old Mr. Burns-type man, until his retirement is interrupted by Brian, who brings news that Peter is dying.

When Peter injures himself and a family of squirrels in a chainsaw accident, Chris and Stewie take in one of the injured rodents to nurse it back to health. Meanwhile, a chiropractor fixes Peter's injury by realigning his spine - and restoring him to his "true height" of 6'5".