A tristate blackout leaves Bitsy and Helen trapped in New Jersey-and forces the Tillerman family to see each other in a new light.

Owen and the kids go all out for Paige on Mother's Day. Bitsy has to handle things on her own when Helen takes a day off.

As a test to see if she's worthy of joining an elite girl group, Fista Puffs battles a monster in the Metropolitan Museum of Art.

Owen oversees a kids' field trip in the park, while Molly and Cole help Brendan with his indoor kite competition. Bitsy and her brother write memoirs.

When Molly needs a new bra, Owen takes her shopping. Helen finds a key that could finally reveal whether she's in Bitsy's will.

The Brandenham is robbed by a jewel thief, reminding Bitsy of a criminal who terrorized the hotel over 50 years ago.

Owen does damage control after accidentally ruining a marriage proposal. Molly attends Bitsy's birthday party with Brendan.

When Owen considers a new job in Connecticut, the family uses Cole's toys to imagine what their lives would be like if they moved out of the park.

Cole finds an escape from his homework in model sail-boating. Molly becomes a published artist in the school newspaper but isn't proud of her work.

Owen is called to the Brandenham to help Bitsy deal with a swarm of bees, while Paige and the kids attempt to care for her boss's cat.

Paige tries to convince Molly that her period is a blessing. Bitsy is desperate to get back on a prestigious list of rich women over 50.

Owen and Paige set out to make the castle everything they dreamed it would be-if they can get the approval.

Owen's mom derails a trip to the botanical garden when she makes a surprise visit. Paige chases a lead while writing a fluff piece on gifting suites.

After an embarrassing moment at school, Cole wants to change his name and identity. Owen, Paige, and Molly tell stories to help him cope.

In search of evidence for a story, Paige brings the family to a wake. Bitsy and Helen try to convince a big investor to join them in buying Central Park.

Bitsy and Helen get stranded during a blizzard. The family finds out that the deal to sell Central Park is happening today. Season finale.