- 1
Retrospective
While the Hendersons prepare for Harry's first birthday party, they recall some of their memorable moments since his arrival.
- 2
The Terror of the Trees
While on a camping trip with his son and his co-worker, George is nervous because his co-worker keeps on playing pranks and later mistakes Harry for a monster.
- 3
Sarah Sings the Blues
Sarah is chosen to sing at the school dance with a new student but hesitates when she learns that he's blind.
- 4
Mom
Nancy welcomes the arrival of her pregnant sister, Emily, unaware that another arrival is soon to follow.
- 5
The Ransom of Bigfoot
Harry is home alone and left to the fate of two burglars who think a Bigfoot might draw a big reward.
- 6
Halloween
It's Halloween and Harry finally has a chance to get out. However, the Hendersons' neighbour, who is allergic to animal hair, becomes suspicious of Harry's "costume."
- 7
Brett Hits Home
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.
- 8
George's White Light
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.
- 9
Working Stiffs
George's decision to quit his job and launch a magazine with Brett rockets the rest of the Hendersons into the job market.
- 10
Love Mask
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.
- 11
Blue Parrot
When Harry sets Ernie's pet parrot free, George and Nancy go shopping for a quick replacement.
- 12
Winning
Angered at the foul attitude of Ernie's baseball coach, Nancy meets his challenge and strikes out on her own as a coach.
- 13
Til Theft Do Us Part
The Hendersons suspect that all that glistens is not gold but their missing silver when Brett suddenly comes into a large sum of money.
- 14
The Genius
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.
- 15
Wild Things
The Hendersons are shaken when Harry, fearing impending danger, traps them and a menagerie of forest friends inside their home.
- 16
Fatherhood
In a case of mistaken identity, a baby is left on the doorstep with a note claiming that Brett is the father.
- 17
Sara Spills the Bigfoot Beans
Sarah tells her boyfriend about Harry and jeopardizes the Hendersons' secret, and her love life, when she invites him to dinner.
- 18
Moonlighting
Nancy moonlights as an aid to a foreign official and suspects his possession of a chimpanzee is on the dark side of the law.
- 19
The Green-Eyed Bigfoot
Harry's friendship with Brett, and George's interview with a beautiful author, set off a wave of jealousy in the Henderson household.
- 20
The Ichthyologist
George tries to help his cousin, who broke the law trying to save a polluted lake and its fish population.
- 21
Selling Out
A businessman offers to buy George's magazine but the buyer's vision of yellow journalism makes George see red.
- 22
The Girl Who Cried Bigfoot
Darcy discovers the Hendersons' secret and her parents, who doubt her story, send for a psychiatrist.
- 23
The Busybody
A tabloid prints stories about a dangerous Bigfoot and turns the Hendersons' public life into a nightmare.
- 24
I Got Your Birthday Right Here
Nancy takes a seat as vice principal at Sarah's school, which doesn't sit well with Sarah and Lorraine.