Oscar must choose between his plans with Charlotte and saving Felix's relationship with Emily when she decides to extend her stay in London.

Oscar asks Felix to help save his favorite hangout from financial trouble, without thinking of the consequences.

Oscar takes Charlotte's son trick-or-treating on Halloween to prove he can be responsible.

Oscar reconnects with people from Walter's life when he carriess out his father's last wish to have his ashes spread behind the candy factory he once owned.

Dani's excitement at being promoted is cut short when Oscar tasks her with the daunting job of hiring her own replacement. Also, Felix tries to plan the perfect surprise after Emily admits she misses England.

Oscar is forced to present his nemesis Rick Eisen with a humanitarian award, while Felix sees Emily at a restaurant.

Oscar and Felix seek advice from a counselor in their building to get over their issues.

Felix takes over the Unger family Christmas traditions when he learns his perfectionist mother will be unable to host Christmas this year.

Emily enlists Dani, Teddy and Murph's help when she has to produce 100 necklaces for an event. Oscar suggests that Charlotte take Felix out on their artsy cultural dates in his place.

Felix takes a fun-loving woman home from the bar for what should be a one-night stand.

Murph convinces Oscar to participate in a regular segment on a TV show where he competes with a penguin to predict the winners of hockey games.

Oscar's grumpy that Felix is making the group go to church to support Dani's choir solo.

After a heated argument, Oscar and Felix decide it might be best to change their living arrangement and find new roommates.