The gang goes on a road trip to Big Sur where the guys, Bernadette and Amy are speaking at a symposium. Penny tags along as Amy's plus one for the free spa weekend that's promised. When Wolowitz meets Bernadette's hulk of an ex-boyfriend, he becomes really insecure and they have a fight, throwing the hotel room arrangements into chaos. Rick Fox guest stars in this on as Bernadette's ex boyfriend.