PJ confesses that she and Brendan made out in college. PJ gets annoyed when Brendan claims to have forgotten that he 'wassup-ed' her after their kiss, as no one remembers the incident.
PJ tries to understand "the kiss" she shared with Brendan and why he's Schauspielen so oddly toward her. Meanwhile the gang is surprised when they meet Kenny's new girlfriend, Kimmie, who happens to be pregnant.
The boys find out about PJ and Bobby previously dating. PJ tries to setup Mike's friend with Stephanie, which backfires, as Mike's friend is attracted to PJ instead.
PJ and Bobby get their signals mixed up about their relationship, due to PJ's exsessive use of baseball metaphors, so the guys don't find out about their Zurück relationship. Bobby ends up dating a new girl, Claire.