After their marriages fail, Oscar and his former college roommate, Felix, decide to live together.

Felix offers his help when Oscar is hired to ghostwrite a retired baseball player's autobiography.

When Oscar realizes he forgot Felix's birthday, he plans an impromptu surprise party.

Dani wishes she had a boyfriend for her high-school reunion so Oscar, Felix and Ted work on finding...

When Oscar and Felix attend the wedding of an old college friend, Oscar aims to reconnect with an ol...

Felix’s hypochondria kicks into overdrive when Oscar starts dating the most important person in Feli...

Felix convinces Oscar to appear on a sports television show against Teddy’s advice to stick with rad...

When Oscar feels threatened by Felix’s surprising performance on the softball field and basketball c...

When Oscar and Felix make a trip to Ashley's to retrieve Felix's special pillow, a secret that he ha...

When Felix substitute teaches a yoga class, his teaching style rubs everyone, including Emily, the w...

Oscar becomes weirdly obsessed with living up to Murph’s reputation when he finds out that the girl...

When the IRS decides to audit Oscar and his ex-wife, Gaby, Felix offers to mediate between the conte...

After Oscar and Felix become obsessed with eavesdropping on their bickering neighbors, they try to s...

With the help of Murph, Oscar decides to throw a big party when Felix finally agrees to spend the we...

Oscar faces a personal dilemma when he dates a young nanny, Allyson, who works for his neighbor, Cha...

Oscar's dream comes true when he is asked to throw out the first pitch at a New York Mets game. Also...

Oscar attempts to impress Charlotte by purchasing a table for a fundraiser to benefit The New York P...

Oscar and Charlotte hit a speed bump when they hesitate to take their relationship to the next level...

Oscar reluctantly agrees with his agent that it’s time to shake things up on his radio show and allo...

Felix attempts to reverse Emily's birthday curse and plans a nice dinner to celebrate with friends....

Oscar learns that Felix was nationally ranked chess player as a child and convinces him to return to...

Felix forces Oscar and Emily to go on a date to get to know each other better in the hope that they’...

In an attempt to surprise Emily, Felix gets his learner’s permit and enlists his friends to help him...

Oscar and Felix run a heated campaign for president of their building’s tenants’ association, but Os...

After Murph persuades Oscar to try online dating, Oscar finds himself on a blind date with Felix’s e...

Oscar is forced to choose between his romantic plans with Charlotte and helping to save Felix’s rela...

When Oscar learns that his favorite hangout, Langford’s, is in financial trouble, he impulsively ask...

Oscar sets out to prove to Charlotte how he's capable of being responsible when he volunteers to tak...

Oscar reconnects with many significant people from his father's life when he agrees to carry out Wal...

Dani's excitement at being promoted is cut short when Oscar tasks her with the daunting job of hirin...

After his arch enemy Rich Eisen receives a humanitarian award, Oscar is forced to give a speech and...

Things get out of hand when Felix begins to meddle in his friends' personal lives and hires a counse...

Felix goes into a frenzy when the responsibility of hosting the Unger family Christmas falls onto hi...

Oscar arranges for Felix to replace him on any cultural outing that Charlotte has planned; and Emily...

Felix takes the first step in moving on from Emily by picking up a bartender named Natasha (Busy Phi...

Murph is hosting a new TV sports segment wherein Oscar is pitted against a penguin to pick the winne...

Oscar grumbles when Felix helps Dani prepare for a choir solo and encourages the group to attend chu...

After a heated argument, Oscar and Felix decide it might be best to change their living arrangements...