In this episode, airing on November 2nd, we'll get an insight into the married life of our two couples. Robin and Barney have their first big fight, and then go to Lily and Marshall to get some relationship advice. Lily and Marshall say that they have the best relationship. We will get a peek ahead to see what the future may hold for these two couples. Apparently there is some tension between Lily and Marshall, as Marshall is frustrated for being forced to do the dishes, while Robin and Barney have the perfect relationship. Barney will force Marshall to consider what it would be like if Barney and Lily were married, with Barney ruling the roost, not having to do the dishes.