How do you know?

Title	Season	Episode
Cartman Gets an Anal Probe	1	2
Weight Gain 4000	1	3
Volcano	1	4
Big Gay Al's Big Gay Boat Ride	1	5
An Elephant Makes Love to a Pig	1	6
Death	1	7
Pinkeye	1	8
Starvin' Marvin	1	9
Mr. Hankey, the Christmas Poo	1	10
Damien	1	11
Tom's Rhinoplasty	1	12
Mecha-Streisand	1	13
Cartman's Mom Is a Dirty Slut	1	14
Terrance and Phillip in Not Without My Anus	2	1
Cartman's Mom is Still a Dirty Slut	2	2
Chickenlover	2	3
Ike's Wee Wee	2	4
Conjoined Fetus Lady	2	5
The Mexican Staring Frog of Southern Sri Lanka	2	6
City on the Edge of Forever	2	7
Summer Sucks	2	8
Chef's Chocolate Salty Balls	2	9
Chickenpox	2	10
Roger Ebert Should Lay Off the Fatty Foods	2	11
Clubhouses	2	12
Cow Days	2	13
Chef Aid	2	14
Spookyfish	2	15
Merry Christmas Charlie Manson!	2	16
Gnomes	2	17
Prehistoric Ice Man	2	18
Rainforest Shmainforest	3	1
Spontaneous Combustion	3	2
The Succubus	3	3
Jakovasaurs	3	4
Tweek vs. Craig	3	5
Sexual Harassment Panda	3	6
Cat Orgy	3	7
Two Guys Naked in a Hot Tub	3	8
Jewbilee	3	9
Korn's Groovy Pirate Ghost Mystery	3	10
Chinpokomon	3	11
Hooked on Monkey Fonics	3	12
Starvin' Marvin in Space	3	13
The Red Badge of Gayness	3	14
Mr. Hankey's Christmas Classics	3	15
Are You There God? It's Me, Jesus	3	16
World Wide Recorder Concert	3	17
The Tooth Fairy's Tats 2000	4	1
Cartman's Silly Hate Crime 2000	4	2
Timmy 2000	4	3
Quintuplets 2000	4	4
Cartman Joins NAMBLA	4	5
Cherokee Hair Tampons	4	6
Chef Goes Nanners	4	7
Something You Can Do with Your Finger	4	8
Do the Handicapped Go to Hell?	4	9
Probably	4	10
4th Grade	4	11
Trapper Keeper	4	12
Helen Keller! The Musical	4	13
Pip	4	14
Fat Camp	4	15
The Wacky Molestation Adventure	4	16
A Very Crappy Christmas	4	17
It Hits the Fan	5	1
Cripple Fight	5	2
Super Best Friends	5	3
Scott Tenorman Must Die	5	4
Terrance and Phillip: Behind the Blow	5	5
Cartmanland	5	6
Proper Condom Use	5	7
Towelie	5	8
Osama Bin Laden Has Farty Pants	5	9
How to Eat with Your Butt	5	10
The Entity	5	11
Here Comes the Neighborhood	5	12
Kenny Dies	5	13
Butters' Very Own Episode	5	14
Jared Has Aides	6	1
Asspen	6	2
Freak Strike	6	3
Fun with Veal	6	4
The New Terrance and Phillip Movie Trailer	6	5
Professor Chaos	6	6
The Simpsons Already Did It	6	7
Red Hot Catholic Love	6	8
Free Hat	6	9
Bebe's Boobs Destroy Society	6	10
Child Abduction Is Not Funny	6	11
A Ladder to Heaven	6	12
The Return of the Fellowship of the Ring to the Two Towers	6	13
The Death Camp of Tolerance	6	14
The Biggest Douche in the Universe	6	15
My Future Self n' Me	6	16
Red Sleigh Down	6	17
Cancelled	7	1
Krazy Kripples	7	2
Toilet Paper	7	3
I'm a Little Bit Country	7	4
Fat Butt and Pancake Head	7	5
Lil' Crime Stoppers	7	6
Red Man's Greed	7	7
South Park Is Gay	7	8
Christian Rock Hard	7	9
Grey Dawn	7	10
Casa Bonita	7	11
All About Mormons	7	12
Butt Out	7	13
Raisins	7	14
It's Christmas in Canada	7	15
Good Times with Weapons	8	1
Up the Down Steroid	8	2
The Passion of the Jew	8	3
You Got F'd in the A	8	4
AWESOM-O	8	5
The Jeffersons	8	6
Goobacks	8	7
Douche and Turd	8	8
Something Wall-Mart This Way Comes	8	9
Pre-School	8	10
Quest for Ratings	8	11
Stupid Spoiled Whore Video Playset	8	12
Cartman's Incredible Gift	8	13
Woodland Critter Christmas	8	14
Mr. Garrison's Fancy New Vagina	9	1
Die Hippie, Die	9	2
Wing	9	3
Best Friends Forever	9	4
The Losing Edge	9	5
The Death of Eric Cartman	9	6
Erection Day	9	7
Two Days Before the Day After Tomorrow	9	8
Marjorine	9	9
Follow That Egg	9	10
Ginger Kids	9	11
Trapped in the Closet	9	12
Free Willzyx	9	13
Bloody Mary	9	14
The Return of Chef	10	1
Smug Alert!	10	2
Cartoon Wars: Part 1	10	3
Cartoon Wars: Part 2	10	4
A Million Little Fibers	10	5
ManBearPig	10	6
Tsst	10	7
Make Love, Not Warcraft	10	8
Mystery of the Urinal Deuce	10	9
Miss Teacher Bangs a Boy	10	10
Hell on Earth 2006	10	11
Go God Go	10	12
Go God Go XII	10	13
Stanley's Cup	10	14
With Apologies to Jesse Jackson	11	1
Cartman Sucks	11	2
Lice Capades	11	3
The Snuke	11	4
Fantastic Easter Special	11	5
D-Yikes!	11	6
Night of the Living Homeless	11	7
Le Petit Tourette	11	8
More Crap	11	9
Imaginationland	11	10
Imaginationland: Episode II	11	11
Imaginationland: Episode III	11	12
Guitar Queer-o	11	13
The List	11	14
Tonsil Trouble	12	1
Britney's New Look	12	2
Major Boobage	12	3
Canada on Strike	12	4
Eek, a Penis!	12	5
Over Logging	12	6
Super Fun Time	12	7
The China Probrem	12	8
Breast Cancer Show Ever	12	9
Pandemic	12	10
Pandemic 2: The Startling	12	11
About Last Night...	12	12
Elementary School Musical	12	13
The Ungroundable	12	14
The Ring	13	1
The Coon	13	2
Margaritaville	13	3
Eat, Pray, Queef	13	4
Fishsticks	13	5
Pinewood Derby	13	6
Fatbeard	13	7
Dead Celebrities	13	8
Butters' Bottom Bitch	13	9
W.T.F.	13	10
Whale Whores	13	11
The F Word	13	12
Dances with Smurfs	13	13
Pee	13	14
It's a Jersey Thing	14	9
Insheeption	14	10
Coon 2: Hindsight	14	11
Mysterion Rises	14	12
Coon vs. Coon and Friends	14	13
Crème Fraîche	14	14
HUMANCENTiPAD	15	1
Funnybot	15	2
Royal Pudding	15	3
Reverse Cowgirl	16	1
Cash for Gold	16	2
Faith Hilling	16	3
Jewpacabra	16	4
Butterballs	16	5
I Should Have Never Gone Ziplining	16	6
Cartman Finds Love	16	7
Sarcastaball	16	8
Raising the Bar	16	9
Insecurity	16	10
Going Native	16	11
A Nightmare on FaceTime	16	12
A Scause for Applause	16	13
Obama Wins!	16	14
Let Go, Let Gov	17	1
Informative Murder Porn	17	2
World War Zimmerman	17	3
Goth Kids 3: Dawn of the Posers	17	4
Taming Strange	17	5
Ginger Cow	17	6
Black Friday	17	7
A Song of Ass and Fire	17	8
Titties and Dragons	17	9
The Hobbit	17	10
Go Fund Yourself	18	1
Gluten Free Ebola	18	2
The Cissy	18	3
Handicar	18	4
The Magic Bush	18	5
Freemium Isn't Free	18	6
Grounded Vindaloop	18	7
Cock Magic	18	8
#REHASH	18	9
#HappyHolograms	18	10
Stunning and Brave	19	1
Where My Country Gone?	19	2
The City Part of Town	19	3
You're Not Yelping	19	4
Safe Space	19	5
Tweek x Craig	19	6
Naughty Ninjas	19	7
Sponsored Content	19	8
Truth and Advertising	19	9
PC Principal Final Justice	19	10
Member Berries	20	1
Skank Hunt	20	2
The Damned	20	3
Wieners Out	20	4
Douche and a Danish	20	5
Fort Collins	20	6
Oh, Jeez	20	7
Members Only	20	8
Not Funny	20	9
The End of Serialization as We Know It	20	10
Dead Kids	22	1
A Boy and a Priest	22	2
The Problem with a Poo	22	3
Tegridy Farms	22	4
The Scoots	22	5
Time to Get Cereal	22	6
Nobody Got Cereal?	22	7
Buddha Box	22	8
Unfulfilled	22	9
Bike Parade	22	10
Mexican Joker	23	1
Band in China	23	2
Shots!!!	23	3
Let Them Eat Goo	23	4
Tegridy Farms Halloween Special	23	5
Season Finale	23	6
Board Girls	23	7
Turd Burglars	23	8
Basic Cable	23	9
Christmas Snow	23	10