SpongeBob Ratings

All of them are in total viewers from people aged 2 and older.

Season 1

Help Wanted/Reef Blowers/Tea at the Treedome (May 1, 1999) - 6.9 million total viewers (3.6 million viewers, kids 2-11)

Bubblestand/Ripped Rants (July 17, 1999) - 1.90 million viewers

Naughty Nautical Neighbors/Boating School (August 7, 1999) - 2.07 million viewers

Mermaid Man and Barnacle Boy/Pickles (August 21, 1999) - 2.17 million viewers

Hall Monitor/Jellyfish Jam (August 28, 1999) - 2.12 million viewers

Sleepy Time/Suds (January 17, 2000) - 2.00 million viewers

Arrgh/Rock Bottom (March 15, 2000) - 2.10 million viewers

Season 2

Welcome to the Chum Bucket/Frankendoodle (January 21, 2002) - 5,251,000 viewers

Season 3

Mermaid Man and Barnacle Boy IV/Doing Time (January 21, 2002) - 5,738,000 viewers

Nasty Patty/Idiot Box (March 1, 2002) - 3,911,000 viewers

No Weenies Allowed/Squilliam Returns (March 15, 2002) - 4,781,000 viewers

The Algae's Always Greener/SpongeGuard on Duty (March 22, 2002) - 4,553,000 viewers

Krab Borg/Rock-a-bye Bivalve (March 29, 2002) - 4,577,000 viewers

Wet Painters/Krusty Krab Training Video (May 10, 2002) - 3,856,000 viewers

Party Pooper Pants (May 17, 2002) - 6,321,000 viewers

Chocolate with Nuts/Mermaid Man and Barnacle Boy V (June 1, 2002) - 4,328,000 viewers

New Student Starfish/Clams (September 20, 2002) - 3,931,000 viewers

Ugh (March 5, 2004) - 5.957 million viewers

Krabby Land/The Camping Episode (April 3, 2004) - 5.40 million viewers

Missing Identity/Plankton's Army (January 19, 2004) - 5,958,000 viewers

SpongeBob Meets the Strangler/Pranks a Lot (October 11, 2004) - 4.608 million viewers

The SpongeBob SquarePants Movie TV Premiere (November 10, 2006) - 7.3 million viewers

Season 4

Fear of a Krabby Patty/Shell of a Man (May 6, 2005) - 2.60 million viewers

Have You Seen This Snail? (November 11, 2005) - 7.93,000 viewers

Dunces and Dragons (February 20, 2006) - 8.56 million viewers

Krusty Towers/Mrs Puff You’re Fired (April 1, 2006) - 5.83 million viewers

Best Day Ever (November 10, 2006) - 6.65 million viewers

The Thing/Hocus Pocus (January 15, 2007) - 3.59 million viewers

Driven to Tears/Rule of Dumb (February 19, 2007) - 4.988 million viewers

The Pink Purloiner/The Gift of Dumb (February 19, 2007) - 5.388 million viewers

Born to be Wild/Best Frenemies (March 31, 2007) - 4.42 million viewers

Season 5

Friend or Foe (April 13, 2007) - 5.9 million viewers

Rise and Shine/Waiting/Sing a Song of Patrick (February 19, 2007) - 5.341 million viewers

Spy Buddies/Good Ol Whathisname (July 23, 2007) - 4,932,000 viewers

Atlantis SquarePantis (November 12, 2007) - 8.76 million viewers and 5.77 million viewers (Behind the Pantis)

Battle of Bikini Bottom/Banned in Bikini Bottom (November 23, 2007) - 4.26 million viewers

Stanley S SquarePants/To Save a Squirrel (November 23, 2007) - 4.26 million viewers

Pest of the West (April 11, 2008) - 6.10 million viewers

Whatever Happened to SpongeBob? (October 13, 2008) - 7.70 million total viewers (4.1 million kids 2-11, 2.7 million kids 6-11, 2.3 million tweens 9-14)

Goo Goo Gas (July 19, 2009) - 4.851 million viewers

Season 6

House Fancy / Krabby Road - 4.025 million viewers (2.7 HH) / 4.77 million viewers

Penny Foolish - 4.68 million viewers

Spongicus/Nautical Novice - 4.67 million viewers

Suction Cup Symphony: 4.50 million viewers

Not Normal/Gone - 4.66 million viewers / 4.59 million viewers

The Splinter - 4.004 million viewers (2.4 HH)

A Life in a Day/Sun Bleached - 4.00 million viewers / 4.10 million viewers

Giant Squidward/No Nose Knows - 4.325 million viewers (2.7 HH) / 3.749 million viewers (2.3 HH)

Patty Capper/Plankton's Regular - 3.826 million viewers (2.4 HH) / 3.70 million viewers 

Boating Buddies/The Krabby Kronicle - 3.77 million viewers / 3.619 million viewers (2.3 HH)

Slide Whistle Stooges/Shuffleboarding - 4.508 million viewers (#12)

SpongeBob vs the Big One - 5.784 million total viewers (#1 with kids 2-11 and 6-11)

Grandpappy the Pirate/Cephalopod Lodge - 4.27 million viewers / 4.67 million viewers

Squid's Visit/To SquarePants or Not to SquarePants - N/A / 3.7 million viewers

Professor Squidward - 4.47 million viewers

Pet or Pests/Komputer Overload - 4.21 million viewers / 4.00 million viewers

Gullible Pants/Overbooked - TBA / 5.373 million viewers

No Hat for Pat/Toy Store of Doom - 5.09 million viewers / N/A

Sand Castles in the Sand/Shell Shocked - 4.14 million viewers / 3.96 million viewers

Chum Bucket Supreme/Single Cell Anniversary - 5.088 million viewers / TBA

Truth or Square - 7.167 million viewers

Pineapple Fever/Chum Caverns - 4.06 million viewers / 4.3 million viewers

The Clash of Triton - 5.18 million viewers (2.8 million kids 2-11, 2.0 million kids 6-11, 1.5 million tweens 9-14)

Season 7

Tentacle Vision/I Heart Dancing - 5.169 million viewers / 4.952 million viewers

Growth Spout/Stuck in the Wringer - 4.952 million viewers / 5.373 million viewers

Someone's in the Kitchen with Sandy/The Inside Job - 5.088 million viewers / 5.169 million viewers

Model Sponge/Greasy Buffoons - 5.51 million viewers

Keep Bikini Bottom Beautiful/A Pal for Gary - N/A

Yours Mine and Mine/Kracked Krabs - 4.534 million viewers

The Curse of Bikini Bottom/Squidward in Clarinetland - 4.95 million viewers / N/A

Spongebob's Last Stand - 4.756 million viewers

Back to the Past/The Bad Guy Club for Villains - 4.39 million viewers

A day without Tears/Summer Job - 3.95 million viewers / N/A

Gary in Love/Rodeo Daze - 5.516 million viewers

One Coarse Meal - 4.186 million viewers

The Play's the Thing - N/A

Gramma's Secret Recipe/The Cent of Money - 3.80 million viewers

The Monster Who Came to Bikini Bottom/Welcome to Bikini Bottom Triangle - 6.05 million viewers

The Curse of the Hex/The Main Drain - 4.52 million viewers / 6.00 million viewers

Trenchbillies/Sponge-cano! - 6.55 million viewers / 6.00 million viewers

The Great Patty Caper - 6.1 million viewers (3.4 million kids 2-11, 2.3 million kids 6-11, 1.8 million tweens, 1.6 million 18-48 adults)

That Sinking Feeling/Karate Star - N/A

Enchanted Tiki Dreams - 3.72 million viewers

Buried in Time/Shellback Shenanigans - 4.74 million viewers

The Abrasive Side/Earworm - 4.54 million viewers

You Don't Know Sponge/Hide And Then What Happens? - 4.38 million viewers

The Masterpiece/Whelk Attack - 3.99 million viewers

Tunnel of Glove/Love That Sponge - 5.01 million viewers

Krusty Dogs/The Wreck of the Mauna Loa - 4.58 million viewers

New Fish in Town/Big Sister Sam - 4.71 million viewers

Perfect Chemistry - 4.71 million viewers

Season 8

Accidents Will Happen/The Other Patty - N/A / 3.822 million viewers

Drive Thru/The Hot Shot - N/A

A Friendly Game/Sentimental Sponge - 4.55 million viewers / N/A

Frozen Face-Off - 5.756 million viewers (3.2 million kids 2-11, 2.1 million kids 6-11)

Squidward's School for Grown-Ups/Oral Report - N/A / 4.55 million viewers

Sweet and Sour Squid/The Googly Artiste - N/A

A SquarePants Family Vacation - 3.57 million viewers

Patrick's Staycation/Walking the Plankton - N/A

Mooncation/Mr Krabs Takes a Vacation - N/A

Ghoul Fools - 3.91 million viewers

Mermaid Man Begins/Plankton's Good Eye - 2.65 million viewers

Barnacle Face/Pet Sitter Pat - 4.39 million viewers

House Sittin for Sandy/Smoothe Jazz at Bikini Bottom - 3.33 million viewers

Bubble Troubles/The Way of the Sponge - 3.27 million viewers

The Krabby That Ate Bikini Bottom/Bubble Buddy Returns - 3.27 million viewers

Restraining Spongebob/Fiasco - N/A

Are You Happy Now?/Planet of the Jellyfish - 4.118 million viewers

Free Samples/Home Sweet Rubble - N/A

Karen 2.9/InSpongeiac - 2.25 million viewers / 2.01 million viewers

Face Freeze!/Glove World RIP - 3.65 million viewers / 2.70 million viewers

Squiditis / Demolition Doofus - N/A / 3.65 million viewers

Treats!/For Here Or To Go - N/A / 2.51 million viewers

It's A SpongeBob Christmas! - 3.61 million viewers (CBS) / 4.51 million viewers (Nick premiere)

Super Evil Aquatic Villain Team Up is Go!/Chum Fricasse - 2.28 million viewers / 2.30 million viewers

The Good Krabby Name/Move It Or Lose It - 3.36 million viewers / 2.30 million viewers

Hello Bikini Bottom! - 2.76 million viewers

Season 9

Extreme Spots/Squirrel Record -  3.70 million viewers

Patrick-Man/Gary's New Toy - 4.10 million viewers / 2.36 million viewers

License to Milkshak/Squid Baby - 3.13 million viewers / 3.36 million viewers

Little Yellow Book/Bumper to Bumper - 4.73 million viewers (2.5 million kids 2-11, 1.7 million kids 6-11, 1.2 million tweens 9-14) / 4.008 million viewers

Eek, an Urchin!/Squid Defense - 4.10 million viewers / 3.70 million viewers

Jailbreak!/Evil Spatula - 3.810 million viewers / 4.041 million viewers

It Came from Goo Lagoon - 4.04 million viewers

Safe Deposit Krabs/Plankton's Pet - 4.184 million viewers / 4.37 million viewers

Don't Look Now/Seance Shmeance - 3.42 million viewers (1.8 million kids 2-11)

Kenny the Cat/Yeti Krabs - 4.326 million viewers / 2.245 million viewers (0.47 adults 18-49 #14, 0.83 females 12-34, #5)

SpongeBob, You're Fired - 5.186 million viewers

Lost in Bikini Bottom/Tutor Sauce - 2.756 million viewers (0.58 adults 18-49 #5, 1.09 females 12-34 #2)

Squid Plus One/The Executive Treatment - 1.977 million viewers (0.47 adults 18-49 #22, 0.74 females 12-34 #9)

Company Picnic/Pull Up a Barrel - 1.605 million viewers (0.34 adults 18-49 #17, 0.70 females 12-34 #5) / 2.090 million viewers (0.42 adults 18-49 #12, 0.81 females 12-34 #5)

Sanctuary!/What's Eating Patrick? - 1.280 million viewers (0.27 adults 18-49 #25, 0.54 females 12-34 # 9)/ 1.765 million viewers (0.41 adults 18-49 #6, 0.55 females 12-34 #8)

Patrick! The Game/The Sewers of Bikini Bottom - 2.054 million viewers (0.42 adults 18-49 #12, 0.68 females 12-34 #5)

SpongeBob LongPants/Larry's Gym - 2.93 million viewers (0.69 adults 18-49 #10, 1.16 females 12-34 #3)

The Fish Bowl/Married to Money - 1.957 million viewers (0.38 adults 18-49 #20, 0.74 females 12-34 #10)  /  1.756 million viewers (0.41 adults 18-49 #17, 0.67 females 12-34 #5)

Mall Girl Pearl/Two Thumbs Down - 3.114 million viewers (0.67 adults 18-49 #4, 1.06 females 12-34 #3)

Sharks vs Pods/CopyBob DittoPants - 1.814 million viewers (0.41 adults 18-49 #8, 0.64 females 12-34 #2) / 1.71 million viewers

Sold!/Lame and Fortune - 1.801 million viewers (0.44 adults 18-49 #6, 0.74 females 12-34 #2) / 1.96 million viewers (0.37 adults 18-49 #18,  0.77 females 12-34 #4)

Goodbye Krabby Patty? - 2.665 million viewers (0.63 adults 18-49 #8, 0.99 females 12-34 #2)

Sandy's Nutmare/Bulletin Board - 2.00 million viewers (0.39 adults 18-49 #9, 0.73 females 12-34 #2) / 2.111 million viewers (0.50 adults 18-49 #7, 0.81 females 12-34 #1)

Food Con Castaways/Snail Mail - 2.016 million viewers (0.39 adults 18-49 #12, 0.61 females 12-34 #2) / 1.673 million viewers (0.42 adults 18-49 #13, 0.73 females 12-34 #2)

Pineapple Invasion/Salsa Imbecilicus - 2.24 million viewers (0.46 adults 18-49 #8, 0.90 females 12-34 #1) / 1.827 million viewers (0.37 adults 18-49 #8, 0.61 females 12-34 #2)

Mutiny on the Krusty/The Whole Tooth - 1.936 million viewers (0.51 adults 18-49 #10, 0.76 females 12-34 #1) / 2.124 million viewers (0.50 adults 18-49 #3, 1.06 females 12-34 #1)

Season 10

Whirly Brains / Mermaid Pants - 1.767 million viewers (0.43 adults 18-49 #10, 0.60 females 12-34 #4) / 2.171 million viewers (0.55 adults 18-49 #5, 0.84 females 12-34 #1)

Unreal Estate / Code Yellow - 1.685 million viewers (0.41 adults 18-49 #4, 0.65 females 12-34 #1)

Mimic Madness/House Worming - 2.122 million viewers (0.48 adults 18-49 #5, 0.75 females 12-34 #1)

Snooze You Lose/Krusty Katering - 2.118 million viewers (0.44 adults 18-49 #7, 0.72 females 12-34 #1)

SpongeBob's Place/Plankton Gets the Boot - 2.269 million viewers (0.62 adults 18-49 #8, 0.97 females 12-34 #2)

Life Insurance/Burst Your Bubble - 2.129 million viewers (0.49 adults 18-49 #8, 0.74 females 12-34 #1)

Plankton Retires/Trident Trouble - 2.071 million viewers (0.48 adults 18-49 #10, 0.78 females 12-34 #4)

The Incredible Shrinking Sponge/Sportz? - 1.828 million viewers (0.45 adults 18-49 #5, 0.84 females 12-34 #1) / 1.993 million viewers (0.47 adults 18-49 #10, 0.76 females 12-34 #2)

The Getaway/Lost and Found - 1.657 million viewers (0.44 adults 18-49 #3, 0.70 females 12-34 #1)

Patrick's Coupon/Out of the Picture - 1.774 million viewers (0.47 adults 18-49 #2, 0.58 females 12-34 #1)

Feral Friends/ Don't Wake Patrick - 1.805 million viewers (0.46 adults 18-49 #10, 0.60 females 12-34 #2)

(Avg. 1.953 total viewers)

Season 11

Cave Dwelling Sponge/The Clam Whisperer - 1.916 million viewers (0.46 adults 18-49 #7, 0.69 females 12-34 #1)

Spot Returns/The Check-up - 1.960 million viewers (0.50 adults 18-49 #2, 0.79 females 12-34 #1)

Spin the Bottle/There's A Sponge In My Soup - 1.993 million viewers (0.47 adults 18-49 #10, 0.76 females 12-34 #2) / 1.458 million viewers (0.32 adults 18-49 #21,0.52  females 12-34 #3)

Man Ray Returns/Larry the Floor Manager - 2.065 million viewers (0.50 adults 18-49 #6, 0.71 females 12-34 #1)

The Legend of Boo-Kini Bottom - 2.210 million viewers (0.47 adults 18-49 #8, 0.65 females 12-34 #2)

No Pictures Please/Stuck on the Roof - 1.843 million viewers (0.37 adults 18-49 #13, 0.71 females 12-34 #4)

Krabby Patty Creature Feature/Teacher's Pests - 1.990 million viewers (0.49 adults 18-49 #10,0.79  females 12-34 #2)

Sanitation Insanity/Bunny Hunt - 1.351 million viewers (0.31 adults 18-49 #19, 0.48 females 12-34 #9) / 1.437 million viewers (0.32 adults 18-49 #7, 0.52 females 12-34 #2)

Squid Noir/Scavenger Pants - 1.855 million viewers (0.42 adults 18-49 #5, 0.61 females 12-34 #2) /  1.650 million viewers (0.41 adults 18-49 #9, 0.55 females 12-34 #1)

Cuddle E Hugs/Pat the Horse - 1.646 million viewers (0.33 adults 18-49 #12, 0.58  females 12-34 #2) / 1.828 million viewers (0.45 adults 18-49 #5, 0.84 females 12-34 #1)

Chatterbox Gary/Don't Feed the Clowns - 1.699 million viewers (0.39 adults 18-49 #16, 0.68 females 12-34 #3)

Drive Happy/Old Man Patrick - 1.629 million viewers (0.36 adults 18-49 #13,  0.59 females 12-34 #1) / 1.631 million viewers (0.37 adults 18-49 #14, 0.51 females 12-34 #1)

Fun-Sized Friends/Grandmum's the Word - 1.968 million viewers (0.44 adults 18-49 #4, 0.67 females 12-34 #3) / 1.453 million viewers (0.29 adults 18-49 #18, 0.50 females 12-34 #3)

Doodle Dimension/Moving Bubble Bass - 1.301 million viewers (0.28 adults 18-49 #19, 0.51 females 12-34 #1) / 1.352 million viewers (0.27 adults 18-49 #26, 0.47 females 12-34 #3)

High Sea Diving/Bottle Burglars - 1.205 million viewers (0.26 adults 18-49 #15, 0.45 females 12-34 #2) / 1.226 million viewers (0.26 adults 18-49 #19, 0.35 females 12-34 #4)

My Leg!/Ink Lemonade - 1.244 million viewers (0.30 adults 18-49 #20, 0.48 females 12-34 #3) / 1.306 million viewers (0.30 adults 18-49 #15, 0.34 females 12-34 #7)

Mustard O Mine/Shopping List - 1.298 million viewers (0.31 adults 18-49 #11, 0.40 females 12-34 #3) / 1.075 million viewers (0.22 adults 18-49 #29, 0.35 females 12-34 #12)

Whale Watching/Krusty Kleaners - 1.588 million viewers (0.30 adults 18-49 #12, 0.55 females 12-34 #3) / 1.401 million viewers (0.31 adults 18-49 #12, 0.52 females 12-34 #1)

Patnocchio/ChefBob - 1.217 million viewers (0.23 adults 18-49 #23, 0.45 females 12-34 #2) / 1.040 million viewers (0.20 adults 18-49 #26, 0.30females 12-34 #1)

Plankton Paranoia/Library Cards - 1.182 million viewers (0.33 adults 18-49 #9, 0.55 females 12-34 #3) / 1.251 million viewers (0.32 adults 18-49 #10, 0.47 females 12-34 #2)

Call the Cops/ Surf N Turf - 1.193 million viewers (0.32 adults 18-49 #36, 0.51 females 12-34 #2) / 1.400 million viewers (0.36 adults 18-49 #8, 0.52 females 12-34 #4)

Goons on the Moon - 1.342 million viewers (0.34 adults 18-49 #13,  0.38 females 12-34 #8)

Appointment TV/Karen's Virus - 1.248 million viewers (0.28 adults 18-49 #16, 0.39 females 12-34 #6) / 1.201 million viewers (0.29 adults 18-49 #13, 0.45 females 12-34 #6)

The Grill is Gone/The Night Patty - 1.367 million viewers (0.30 adults 18-49 #11, 0.41 females 12-34 #4)

Bubbletown/Girl's Night Out - 1.248 million viewers (0.28 adults 18-49 #16, 0.39 females 12-34 #6) / 1.201 million viewers (0.29 adults 18-49 #13, 0.45 females 12-34 #6)

Squirrel Jelly/The String - 1.381 million viewers (0.35 adults 18-49 #9, 0.48 females 12-34 #6)

Season 12

FarmerBob/Gary & Spot - 

The Nitwitting/The Ballad of Filthy Muck - 

The Krusty Slammer/Pineapple RV - 

Gary's Got Legs/King Plankton - 

Plankton's Old Chum/Stormy Weather - 

Swamp Mates/One Trick -

The Krusty Bucket/Squid's on a Bus - 

Sandy's Nutty Nieces/Insecurity Guards - 

Broken Alarm/Karen's Baby - 

Shell Games/Senior Discount - 

Mind the Gap/Dirty Bubble Returns - 

Jolly Lodgers/Biddy Sitting - 

SpongeBob's Big Birthday Blowout - 

SpongeBob in Randomland/SpongeBob's Bad Habit - 

Handemonium/Breakin' - 

Boss for a Day/The Goofy Newbie - 

The Ghost of Plankton/My Two Krabses - 

Knock Knock, Who's There?/Pat Hearts Squid - 

Lighthouse Louie/Hiccup Plague - 

A Cabin in the Kelp/The Hankering - 

Who R Zoo/Kwarantined Krab - 

Plankton's Intern/Patrick's Tantrum - 

Bubble Bass' Tab/Kook Cooks - 

Escape from Beneath Glove World - 

Krusty Koncessionaires/Dream Hoppers - 

Season 13

A Place for Pets/Lockdown for Love -

Under the Small Top/Squidward's Sick Daze - 

Kamp Koral (TV premieres)

The Patrick Star Show