Sonja throws a party for the new ladies, Aviva, Carole, and Heather; LuAnn is annoyed at Ramona over her comments about parenting; the new ladies agree to never become mean.
LuAnn and Ramona clear the air; Ramona thinks Aviva has been too chatty; Sonja goes missing at a GLAAD event.
Carole hosts a brunch and invites Aviva, Heather, and Sonja; Sonja launches a catering company; Heather invites some of the women to London.
Ramona discusses her issues with Heather at lunch with Aviva and Carole, but Sonja snubs the invitation to have a secret meeting with LuAnn; Aviva declines the London invitation; Sonja hosts a party for her new magazine cover.
Aviva and Heather discuss the London trip; Aviva asks Sonja to throw her an anniversary party; Ramona and Heather clash when they try to calmly talk about their issues.
Carole, Sonja and LuAnn arrive in London; the women shop in Notting Hill; Carole lets the ladies in on her life in London after her husband died.
Sonja, Heather, LuAnn and Carole play croquet; Aviva is concerned by Sonja's lack of party planning; Aviva falls down the stairs at the party.
London and anniversary discussion over lunch; Sonja works on her branding; Ramona does a blind wine-tasting but isn't told that it's her own wine.
Sonja dates Aviva's sex-addicted father; Aviva asks Sonja how to deal with Ramona; Carole calls out LuAnn for asking a friend to loan her dresses.
Ramona invites everyone but Heather to dinner; a drunken Sonja confronts Jacques and LuAnn about some very personal issues.
Carole hosts a "White Elephant" party; Sonja arrives late to a photo shoot and angers Heather; Carole invites the ladies on a vacation to St. Barth's.
Aviva hosts a charity event, but Ramona and Sonja don't show; Aviva tells Carole she is afraid of flying.
The ladies arrive at St. Barth's; LuAnn parties later than the others after a night out at Le Ti.
Ramona tries to figure out who LuAnn brought back to the villa; the ladies spend the day on a yacht; Aviva doesn't get as warm a welcome at St. Barts as she wanted.
Ramona gets frustrated when the trip starts to favor couples; Sonja and Ramona don't attend Russ's concert.
Back home, Ramona invites Sonja and LuAnn to a friend's house; a dinner does not go as planned.
Aviva's father comes back to town; Sonja wants to take further legal action against her ex-husband; Heather has a special request for Aviva.
Ramona throws a charity event, but the night turns chaotic; Ramona and Sonja make a scene at Sonja's event; Carole's book party turns confrontational.
The women discuss the season's drama.
The housewives discuss the season's fights and confrontations.