 Before Peter and Brian leave to Ireland, Meg tells Peter she loves him, in which he replies, "That'll do, pig, that'll do", which is a reference to the film "Babe".When Francis showed up as a ghost along with Yoda and Obi-Wan Kenobi, Hayden Christensen (who played Anakin Skywalker in the Star Wars prequel trilogy) also appears and says "And I'm Hayden Christensen!