S08E18: The Great Unknown
The Rugrats set their sights on a staircase post, where it hides one of the Rugrats' greatest mysteries -- why does it wobble?
Previous Episode 
Season 1
Tommy's First Birthday
S1E1 / 11 Aug 1991
Barbeque Story
S1E2 / 18 Aug 1991
Waiter, There's a Baby in My Soup
S1E3 / 18 Aug 1991
At the Movies
S1E4 / 25 Aug 1991
Slumber Party
S1E5 / 25 Aug 1991
Baby Commercial
S1E6 / 08 Sep 1991
Little Dude
S1E7 / 08 Sep 1991
Beauty Contest
S1E8 / 15 Sep 1991
Baseball
S1E9 / 15 Sep 1991
Ruthless Tommy
S1E10 / 06 Oct 1991
Moose Country
S1E11 / 06 Oct 1991
Grandpa's Teeth
S1E12 / 17 Nov 1991
Momma Trauma
S1E13 / 17 Nov 1991
Real or Robots
S1E14 / 01 Dec 1991
Special Delivery
S1E15 / 01 Dec 1991
Candy Bar Creep Show
S1E16 / 05 Jan 1992
Monster in the Garage
S1E17 / 05 Jan 1992
Weaning Tommy
S1E18 / 16 Feb 1992
Incident in Aisle Seven
S1E19 / 16 Feb 1992
Touchdown Tommy
S1E20 / 29 Mar 1992
The Trial
S1E21 / 29 Mar 1992
Fluffy vs. Spike
S1E22 / 12 Apr 1992
Reptar's Revenge
S1E23 / 12 Apr 1992
Graham Canyon
S1E24 / 24 May 1992
Stu-Maker's Elves
S1E25 / 24 May 1992
Season 2
Toy Palace
S2E1 / 06 Sep 1992
Sand Ho
S2E2 / 06 Sep 1992
Chuckie vs. The Potty
S2E3 / 13 Sep 1992
Together At Last
S2E4 / 13 Sep 1992
The Big House
S2E5 / 20 Sep 1992
The Shot
S2E6 / 20 Sep 1992
Showdown At Teeter-Totter Gulch
S2E7 / 27 Sep 1992
Mirrorland
S2E8 / 27 Sep 1992
Angelica's In Love
S2E9 / 04 Oct 1992
Ice Cream Mountain
S2E10 / 04 Oct 1992
Regarding Stuie
S2E11 / 11 Oct 1992
Garage Sale
S2E12 / 11 Oct 1992
Let There Be Light
S2E13 / 18 Oct 1992
The Bank Trick
S2E14 / 18 Oct 1992
Family Reunion
S2E15 / 25 Oct 1992
Grandpa's Date
S2E16 / 25 Oct 1992
No Bones About It
S2E17 / 01 Nov 1992
Beach Blanket Babies
S2E18 / 01 Nov 1992
Reptar On Ice
S2E19 / 08 Nov 1992
Family Feud
S2E20 / 08 Nov 1992
Superhero Chuckie
S2E21 / 15 Nov 1992
The Dog Broomer
S2E22 / 15 Nov 1992
Aunt Miriam
S2E23 / 22 Nov 1992
The Inside Story
S2E24 / 22 Nov 1992
A Visit From Lipschitz
S2E25 / 29 Nov 1992
What The Big People Do
S2E26 / 29 Nov 1992
The Santa Experience
S2E27 / 06 Dec 1992
Visitors From Outer Space
S2E28 / 13 Dec 1992
The Case Of The Missing Rugrat
S2E29 / 13 Dec 1992
Chuckie Loses His Glasses
S2E30 / 20 Dec 1992
Chuckie Gets Skunked
S2E31 / 20 Dec 1992
Rebel Without A Teddy Bear
S2E32 / 03 Jan 1993
Angelica The Magnificent
S2E33 / 03 Jan 1993
Meet The Carmichaels
S2E34 / 10 Jan 1993
The Box
S2E35 / 10 Jan 1993
Down The Drain
S2E36 / 07 Feb 1993
Let Them Eat Cake
S2E37 / 07 Feb 1993
The Seven Voyages Of Cynthia
S2E38 / 14 Mar 1993
My Friend Barney
S2E39 / 14 Mar 1993
Feeding Hubert
S2E40 / 21 Mar 1993
Spike The Wonder Dog
S2E41 / 21 Mar 1993
The Slide
S2E42 / 28 Mar 1993
The Big Flush
S2E43 / 28 Mar 1993
King Ten Pin
S2E44 / 04 Apr 1993
Runaway Angelica
S2E45 / 04 Apr 1993
Game Show Didi
S2E46 / 11 Apr 1993
Toys In The Attic
S2E47 / 11 Apr 1993
Driving Miss Angelica
S2E48 / 02 May 1993
Susie Vs. Angelica
S2E49 / 02 May 1993
Tooth Or Dare
S2E50 / 09 May 1993
Party Animals
S2E51 / 09 May 1993
Season 3
Dummi Bear Dinner Disaster
S3E1 / 26 Sep 1993
Twins Pique
S3E2 / 26 Sep 1993
Chuckie's First Haircut
S3E3 / 03 Oct 1993
Cool Hand Angelica
S3E4 / 03 Oct 1993
Tricycle Thief
S3E5 / 10 Oct 1993
Rhinoceritis!
S3E6 / 10 Oct 1993
Grandpa Moves Out
S3E7 / 17 Oct 1993
The Legend Of Satchmo
S3E8 / 17 Oct 1993
Circus Angelicus
S3E9 / 24 Oct 1993
The Stork
S3E10 / 24 Oct 1993
The Baby Vanishes
S3E11 / 31 Oct 1993
Farewell, My Friend
S3E12 / 31 Oct 1993
When Wishes Come True
S3E13 / 07 Nov 1993
Angelica Breaks a Leg
S3E14 / 07 Nov 1993
The Last Babysitter
S3E15 / 14 Nov 1993
Sour Pickles
S3E16 / 14 Nov 1993
Reptar 2010
S3E17 / 21 Nov 1993
Stu Gets A Job
S3E18 / 21 Nov 1993
Give And Take
S3E19 / 28 Nov 1993
The Gold Rush
S3E20 / 28 Nov 1993
Home Movies
S3E21 / 05 Dec 1993
The Mysterious Mr. Friend
S3E22 / 05 Dec 1993
Cuffed
S3E23 / 12 Dec 1993
The Blizzard
S3E24 / 12 Dec 1993
Destination: Moon
S3E25 / 19 Dec 1993
Angelica's Birthday
S3E26 / 19 Dec 1993
Princess Angelica
S3E27 / 26 Dec 1993
The Odd Couple
S3E28 / 26 Dec 1993
Naked Tommy
S3E29 / 02 Jan 1994
Tommy And The Secret Club
S3E30 / 02 Jan 1994
Under Chuckie's Bed
S3E31 / 09 Jan 1994
Chuckie Is Rich
S3E32 / 09 Jan 1994
Mommy's Little Assets
S3E33 / 13 Feb 1994
Chuckie's Wonderful Life
S3E34 / 13 Feb 1994
In The Dreamtime
S3E35 / 20 Feb 1994
The Unfair Pair
S3E36 / 20 Feb 1994
Chuckie's Red Hair
S3E37 / 27 Feb 1994
Spike Runs Away
S3E38 / 27 Feb 1994
The Alien
S3E39 / 06 Mar 1994
Mr. Clean
S3E40 / 06 Mar 1994
Angelica's Worst Nightmare
S3E41 / 13 Mar 1994
The Mega Diaper Babies
S3E42 / 13 Mar 1994
New Kid In Town
S3E43 / 10 Apr 1994
Pickles vs. Pickles
S3E44 / 10 Apr 1994
KidTV
S3E45 / 08 May 1994
The Sky Is Falling
S3E46 / 08 May 1994
I Remember Melville
S3E47 / 15 May 1994
No More Cookies
S3E48 / 15 May 1994
Cradle Attraction
S3E49 / 22 May 1994
Moving Away
S3E50 / 22 May 1994
Season 4
Mother's Day
S4E1 / 06 May 1997
Spike's Babies
S4E2 / 23 Aug 1997
Chicken Pops
S4E3 / 23 Aug 1997
Radio Daze
S4E4 / 30 Aug 1997
Psycho Angelica
S4E5 / 30 Aug 1997
America's Wackiest Home Movies
S4E6 / 06 Sep 1997
The 'Lympics
S4E7 / 06 Sep 1997
The Carwash
S4E8 / 13 Sep 1997
Heatwave
S4E9 / 13 Sep 1997
Faire Play
S4E10 / 20 Sep 1997
The Smell of Success
S4E11 / 20 Sep 1997
Dust Bunnies
S4E12 / 27 Sep 1997
Educating Angelica
S4E13 / 27 Sep 1997
Angelica's Last Stand
S4E14 / 04 Oct 1997
Clan of The Duck
S4E15 / 04 Oct 1997
Potty Training Spike
S4E16 / 11 Oct 1997
The Art Fair
S4E17 / 11 Oct 1997
Send In The Clouds
S4E18 / 18 Oct 1997
In The Naval
S4E19 / 18 Oct 1997
The Matress
S4E20 / 01 Nov 1997
Looking For Jack
S4E21 / 01 Nov 1997
Ransom Of Cynthia
S4E22 / 08 Nov 1997
Turtle Recall
S4E23 / 08 Nov 1997
Angelica Orders Out
S4E24 / 15 Nov 1997
Let It Snow
S4E25 / 15 Nov 1997
Angelica Nose Best
S4E26 / 22 Nov 1997
Pirate Light
S4E27 / 22 Nov 1997
Season 5
Vacation
S5E1 / 29 May 1998
Babysitting Fluffy
S5E2 / 15 Aug 1998
Sleep Trouble
S5E3 / 15 Aug 1998
The First Cut
S5E4 / 16 Aug 1998
Chuckie Grows
S5E5 / 16 Aug 1998
The Wild Wild West
S5E6 / 17 Aug 1998
Angelica For A Day
S5E7 / 17 Aug 1998
Word Of The Day
S5E8 / 18 Aug 1998
Johnathan Babysits
S5E9 / 18 Aug 1998
Grandpa's Bad Bug
S5E10 / 19 Aug 1998
Lady Luck
S5E11 / 19 Aug 1998
Crime And Punishment
S5E12 / 20 Aug 1998
Baby Maybe
S5E13 / 20 Aug 1998
He Saw, She Saw
S5E14 / 21 Aug 1998
Piggy's Pizza Palace
S5E15 / 21 Aug 1997
Fugitive Tommy
S5E16 / 22 Aug 1998
Visiting Aunt Miriam
S5E17 / 22 Aug 1998
Uneasy Rider
S5E18 / 29 Aug 1998
Where's Grandpa?
S5E19 / 29 Aug 1998
Hiccups
S5E20 / 12 Sep 1998
Autumn Leaves
S5E21 / 12 Sep 1998
Journey To The Center Of The Basement
S5E22 / 19 Sep 1998
A Very McNulty Birthday
S5E23 / 19 Sep 1998
The Family Tree
S5E24 / 21 Sep 1998
The Turkey Who Came To Dinner
S5E25 / 10 Nov 1998
Season 6
Chuckie's Duckling
S6E1 / 18 Jan 1999
A Dog's Life
S6E2 / 18 Jan 1999
Chuckerfly
S6E3 / 23 Jan 1999
Angelica's Twin
S6E4 / 23 Jan 1999
Hand Me Downs
S6E5 / 30 Jan 1999
Angelica's Ballet
S6E6 / 30 Jan 1999
Raising Dil
S6E7 / 06 Feb 1999
No Naps
S6E8 / 06 Feb 1999
Man of The House
S6E9 / 13 Feb 1999
A Whole New Stu
S6E10 / 13 Feb 1999
Submarine
S6E11 / 20 Feb 1999
Chuckie's A Lefty
S6E12 / 20 Feb 1999
Baking Dil
S6E13 / 27 Feb 1999
Hair!
S6E14 / 27 Feb 1999
Pedal Pusher
S6E15 / 06 Mar 1999
Music
S6E16 / 06 Mar 1999
Opposites Attract
S6E17 / 13 Mar 1999
The Art Museum
S6E18 / 13 Mar 1999
The Jungle
S6E19 / 20 Mar 1999
The Old Country
S6E20 / 20 Mar 1999
Ghost Story
S6E21 / 27 Mar 1999
Chuckie's Complaint
S6E22 / 27 Mar 1999
Chuckie's Bachelor Pad
S6E23 / 10 Apr 1999
Junior Prom
S6E24 / 10 Apr 1999
What's Your Line?
S6E25 / 17 Apr 1999
Two By Two
S6E26 / 17 Apr 1999
Wrestling Grandpa
S6E27 / 01 May 1999
Chuckie Collects
S6E28 / 01 May 1999
Zoo Story
S6E29 / 07 Aug 1999
I Do
S6E30 / 07 Aug 1999
Silent Angelica
S6E31 / 07 Aug 1999
Tie My Shoes
S6E32 / 07 Aug 1999
Season 7
No Place Like Home
S7E1 / 02 Oct 1999
Share And Share A Spike
S7E2 / 02 Oct 1999
Tommy For Mayor
S7E3 / 02 Oct 1999
Brothers Are Monsters
S7E4 / 09 Oct 1999
Cooking With Susie
S7E5 / 09 Oct 1999
Officer Chuckie
S7E6 / 16 Oct 1999
Auctioning Grandpa
S7E7 / 16 Oct 1999
Planting Dil
S7E8 / 16 Oct 1999
The Joke's On You
S7E9 / 23 Oct 1999
Partners In Crime
S7E10 / 06 Nov 1999
Thumb's Up
S7E11 / 13 Nov 1999
The Big Showdown
S7E12 / 20 Nov 1999
Runaway Reptar
S7E13 / 27 Nov 1999
Doctor Susie
S7E14 / 04 Dec 1999
Accidents Happen
S7E15 / 18 Dec 1999
Pee Wee Scouts
S7E16 / 08 Jan 2000
Chuckie's New Shirt
S7E17 / 22 Jan 2000
Cavebabies
S7E18 / 29 Jan 2000
Season 8
Be My Valentine
S8E1 / 14 Feb 2000
Discover America
S8E2 / 09 Oct 2000
Acorn Nuts and Diapey Butts (1) : Diaper Change
S8E3 / 07 Nov 2000
Acorn Nuts and Diapey Butts (2) : Fall Stinks
S8E4 / 08 Nov 2000
Acorn Nuts and Diapey Butts (3) : Don't Poop on My Parade
S8E5 / 09 Oct 2000
Finsterella
S8E6 / 15 Jan 2001
Angelicon
S8E7 / 19 Jan 2001
Dil's Binkie
S8E8 / 19 Jan 2001
Big Brother Chuckie
S8E9 / 19 Jan 2001
Sister Act
S8E10 / 26 Jan 2001
Spike's Nightscare
S8E11 / 26 Jan 2001
Cuddle Bunny
S8E12 / 26 Jan 2001
Changes for Chuckie
S8E13 / 02 Feb 2001
The Magic Show
S8E14 / 02 Feb 2001
A Lulu of a Time
S8E15 / 02 Feb 2001
Falling Stars
S8E16 / 09 Feb 2001
Dayscare
S8E17 / 09 Feb 2001
The Great Unknown
S8E18 / 09 Feb 2001
Cat Got Your Tongue?
S8E19 / 16 Feb 2001
The War Room
S8E20 / 16 Feb 2001
Attention Please
S8E21 / 16 Feb 2001
And the Winner Is...
S8E22 / 09 Mar 2001
Dil's Bath Time
S8E23 / 09 Mar 2001
Bigger Than Life
S8E24 / 09 Mar 2001
My Fair Babies
S8E25 / 30 Mar 2001
The Way Things Work
S8E26 / 30 Mar 2001
Home Sweet Home
S8E27 / 30 Mar 2001
Day Of The Potty
S8E28 / 06 Apr 2001
Tell-Tale Cell Phone
S8E29 / 06 Apr 2001
The Time of Their Lives
S8E30 / 06 Apr 2001
Dil Saver
S8E31 / 13 Apr 2001
Cooking with Phil & Lil
S8E32 / 13 Apr 2001
Piece of Cake
S8E33 / 13 Apr 2001
Bad Shoes
S8E34 / 20 Apr 2001
The World According to Dil & Spike
S8E35 / 20 Apr 2001
Wash Dry Story
S8E36 / 20 Apr 2001
Adventure Squad
S8E37 / 27 Apr 2001
The Way More Things Work
S8E38 / 27 Apr 2001
Talk of The Town
S8E39 / 27 Apr 2001
The Magic Baby
S8E40 / 04 May 2001
Dil We Meet Again
S8E41 / 04 May 2001
All's Well That Pretends Well
S8E42 / 06 Jul 2001
Big Babies
S8E43 / 06 Jul 2001
The Incredible Shrinking Babies
S8E44 / 13 Jul 2001
Miss Manners
S8E45 / 13 Jul 2001
A Dose Of Dil
S8E46 / 20 Jul 2001
Famous Babies
S8E47 / 20 Jul 2001
All Growed Up
S8E48 / 21 Jul 2001
A Rugrats Kwanzaa
S8E49 / 11 Dec 2001
Quiet, Please
S8E50 / 09 Feb 2002
Early Retirement
S8E51 / 09 Feb 2002
The Doctor Is In
S8E52 / 09 Feb 2002
The Big Sneeze
S8E53 / 09 Feb 2002
The Fun Way Day
S8E54 / 23 Feb 2002
The Age of Aquarium
S8E55 / 23 Feb 2002
Daddy's Little Helpers
S8E56 / 09 Mar 2002
Hello Dilly
S8E57 / 09 Mar 2002
Bow Wow Wedding Vows
S8E58 / 25 Mar 2002
Cynthia Comes Alive
S8E59 / 06 Apr 2002
Trading Phil
S8E60 / 06 Apr 2002
A Tale of Two Puppies
S8E61 / 01 Jun 2002
Okey-Dokey Jones and the Ring of the Sunbeams
S8E62 / 01 Jun 2002
Curse of the Werewuff
S8E63 / 28 Oct 2002
Season 9
Happy Taffy
S9E1 / 21 Sep 2002
Bug Off
S9E2 / 21 Sep 2002
Who's Taffy?
S9E3 / 28 Sep 2002
Hold the Pickles
S9E4 / 28 Sep 2002
Diapies & Dragons
S9E5 / 05 Oct 2002
Lil's Phil of Trash
S9E6 / 05 Oct 2002
Kimi Takes the Cake
S9E7 / 05 Oct 2002
Baby Power
S9E8 / 05 Oct 2002
Bestest of Show
S9E9 / 16 Nov 2002
Imagine That
S9E10 / 16 Nov 2002
Mutt's in a Name
S9E11 / 22 Nov 2002
The Perfect Twins
S9E12 / 30 Nov 2002
Babies In Toyland
S9E13 / 09 Dec 2002
Clown Around
S9E14 / 30 Jan 2003
The Baby Rewards
S9E15 / 30 Jan 2003
Starstruck
S9E16 / 08 Mar 2003
The Crawl Space
S9E17 / 08 Mar 2003
The Bravliest Baby
S9E18 / 08 Jun 2003
Gimme an A
S9E19 / 08 Jun 2003
Club Fred
S9E20 / 06 Sep 2003
Back to School
S9E21 / 13 Sep 2003
Sweet Dreams
S9E22 / 13 Sep 2003
Baby Sale
S9E23 / 20 Sep 2003
Steve
S9E24 / 20 Sep 2003
A Step at a Time
S9E25 / 27 Sep 2003
Angelica's Assistant
S9E26 / 27 Sep 2003
Murmur on the Ornery Express
S9E27 / 11 Nov 2003
Pre-School Daze
S9E28 / 10 Apr 2004
They Came From The Backyard
S9E29 / 10 Jun 2004
Fountain of Youth
S9E30 / 10 Jun 2004
Hurricane Alice
S9E31 / 01 Aug 2004
E. G. Daily
Tommy Pickles (voice)
Kath Soucie
Phil DeVille / Lil DeVille (voice)
Cheryl Chase
Angelica Pickles (voice)
Dionne Quan
Kimi Finster (voice)
Tara Strong
Dil Pickles (voice)
Joe Alaskey
Lou Pickles (voice)
Melanie Chartoff
Didi Pickles (voice)
