While George competes with an obnoxious co-worker for a promotion, Nancy's brother Brett moves in at home and is forced to contend with Harry.

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.

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.

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

Angered at the foul attitude of Ernie's baseball coach, Nancy meets his challenge and strikes out on her own as a coach.

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.

The Hendersons are shaken when Harry, fearing impending danger, traps them and a menagerie of forest friends inside their home.

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

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

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

Harry's friendship with Brett, and George's interview with a beautiful author, set off a wave of jealousy in the Henderson household.

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.

A tabloid prints stories about a dangerous Bigfoot and turns the Hendersons' public life into a nightmare.

Nancy takes a seat as vice principal at Sarah's school, which doesn't sit well with Sarah and Lorraine.

Nancy's friend visits with her nephew, a boy who gives mischief a bad name.

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

Darcy's scheme to have her Albanian housekeeper deported goes awry when the woman finds herself a husband: Brett.

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

Harry brings home an old bigfoot, so the family consults Dr. Arnesen, who concludes he is preparing to die; Darcy introduces Brad to gorgeous Kate, but tells him she only likes brainy boys.

The media and an animal control officer discover Harry, so the family turn to sleazy talk show host Tony Lane for help.

With Harry's existence made public, the neighborhood is flooded with tourists, prompting angry residents to legally force Harry out.

When George's cousin Melvin breaks up with his fiancee, he goes to the Hendersons for some advice and comfort.