S06E10 Play It Again, Brian
Lois becomes fed up with Peter's immature antics and desire to be around his friends. Brian - who has just won an essay contest and is invited to a dinner at Martha's Vineyard to accept the award - invites Peter and Lois along, sensing time away from home might heal their differences. While Lois makes every attempt to work on their marriage by planning several activities, Peter continues to be his old self. At the awards ceremony, as Brian is reciting his poem, a highly intoxicated Peter arrives and makes a fool out of himself; at one point, he announces he has "married" Nathan Lane (despite incorrectly claiming that same-sex marriages are illegal in Massachusettes). An embarrassed Lois decides to enjoy her planned activities with Brian, and they have a great time. Later, Brian admits he wrote the poem for Lois. However, he loses self-control and makes an aggressive pass at Lois; he is kicked out of the room. The next morning, Peter learns about what happened and confronts Brian, and ...