When Harry hides Nancy's diamond ring, the Hendersons ask a pet psychic (Michael Winslow) to read Harry's mind.

In the series finale, the Henderson family decides to help Harry and his dear Yetta marry and move to a cave in the woods. Tefta pines for Brett, who loves Mary. (Part 2 of 2)

Nancy finds stardom when she's asked to be in a commercial. In her absence, the family finds out how much they need her.

A football legend visits the Hendersons' house along with his wife who is wearing a fur. Harry thinks that the fur is a dead person and decides to bury it.

Brett thinks a primitive mask can cure his ailing love life by casting a spell on Darcy's Swedish au pair Uma, and it seems to work; but his date with her is spoiled by Harry, who is strangely obsessed with the mask as well.

Harry feels uncomfortable in the Henderson home so he decides to run away.

While the Hendersons prepare for Harry's first birthday party, they recall some of their memorable moments since his arrival.

Sarah tells her boyfriend about Harry and jeopardizes the Hendersons' secret, and her love life, when she invites him to dinner.

Harry becomes a wrestler to help Sarah raise money to save an injured sea lion. George asks wrestler 'Hacksaw' Jim Duggan to judge a benefit match featuring the debut of reluctant wrestler 'Bigfoot Man'.

Sarah is chosen to sing at the school dance with a new student but hesitates when she learns that he's blind.

Nancy welcomes the arrival of her pregnant sister, Emily, unaware that another arrival is soon to follow.

George examines his life after he's trapped in a steam room and, in a heat-induced delirium, sees God. He decides to quit his job.

George's decision to quit his job and launch a magazine with Brett rockets the rest of the Hendersons into the job market.

When Harry sets Ernie's pet parrot free, George and Nancy go shopping for a quick replacement.

The Hendersons suspect that all that glistens is not gold but their missing silver when Brett suddenly comes into a large sum of money.

Harry scores high on Ernie's IQ test, which changes the way everyone relates to Ernie especially when his teacher Ms. Hall comes to visit and encounters Harry.

In a case of mistaken identity, a baby is left on the doorstep with a note claiming that Brett is the father.

Nancy moonlights as an aid to a foreign official and suspects his possession of a chimpanzee is on the dark side of the law.

George tries to help his cousin, who broke the law trying to save a polluted lake and its fish population.

A businessman offers to buy George's magazine but the buyer's vision of yellow journalism makes George see red.

Darcy discovers the Hendersons' secret and her parents, who doubt her story, send for a psychiatrist.

When George's friend is bullied from a political race, George finds a write-in candidate: a Bigfoot with a pristine past.

The Hendersons plan a weekend of laid-back happenings for Nancy and Brett's visiting mother, only to find she would rather party.

Family ties unravel when George's brother visits and turns the Henderson home into a New Age shrine for Harry.

Everyone is skeptical when Brett's long-lost wife shows up after leaving him to pursue a movie career.