Helen and Joe's wedding is marred by mishaps, including no tux for Joe and a magic-marker mustache for Helen.

Brian plans a wild bachelor party for Joe, while Helen anticipates a quiet evening. And each gets the night the other wanted.

Antonio falls for his cousin's fiancée, whom he's to entertain while his cousin is away.

Helen plans a quickie divorce from Antonio, whom she once wed to prevent his deportation.

Joe and Helen consider buying the house of Lewis Blanchard's dying uncle; stressed Helen dreams she is Marcia Brady.

Brian makes a video diary of Joe and Helen's relationship, as recalled (in flashbacks) by friends and family, including Roy.

A gallery owner sees art in Lowell's welded gift to Casey, who pictures herself as Lowell's agent. Meanwhile, Brian's little joke on Joe creates big problems for Helen.

Brian is confronted by his ex, Alex, on a talk show.

After Fay's retirement, Helen persuades Joe to hire Casey, who stuns the brothers by accepting---and doing a great job.

Brian answers a call meant for Joe, who's forced to tell him about Sara.

A reunion brings back Brian's old flame, who has surprises for both Hacketts.

After Joe and Helen set their wedding date, they crash a reception to check out a facility.

Roy prepares to marry a mail-order bride from Russia.

Joe and Helen make friends with a new couple, but a weekend together changes things for one duo.

Joe's secret admirer Sandy Cooper returns, claiming that her previous action was a joke.

An air-traffic controller holds Antonio at gunpoint for eating his doughnut.

A famous astronaut comes to Nantucket to endorse Sandpiper Airlines.

Helen's mom arrives with a cash wedding gift, which is no surprise---save for the amount.

Brian goes out with his ninth-grade teacher; a "Simon says" instructor plans on marrying Roy's mom.

The businessman Antonio's chauffeuring makes a play for Casey.

Casey and Brian plan a surprise engagement party for Joe and Helen, but Helen thinks they're having an affair.

Lowell invests in a defunct attraction that shows little sign of life.

Brian starts dating again, but finds no immediate spark with a woman who seems perfect for him.

Joe joins Brian in seeing a therapist after Helen moves up their wedding date.

The arrival of Helen's "perfect"---and snobby---sister Casey spoils Joe's romantic-dinner plans.

Helen goes to see fiancé Davis, telling Joe their intimate evening together was "a mistake."