High Quality Content by WIKIPEDIA articles! "Long John Peter" is the twelfth episode and the season finale of the sixth season of the animated series Family Guy. It originally aired on Fox in the United States on May 4, 2008. Written by Wellesley Wild and directed by Dominic Polcino, "Long John Peter" served as the final episode of the season, which was cut short due to creator Seth MacFarlane`s participation in the 2007–2008 Writers Guild of America strike. In the episode, Chris falls in love with a lovely vet intern Anna and turns to Peter for some advice.