2008 (MMVIII) is a leap year of the Gregorian calendar that started on a Tuesday. No new episodes aired until March 3, with the season 6 episode "Krabby Road."
2008 was the year that Wanqum took over for the animating, and the year that hand drawn pencils for animating were ditched in favor of said company.
| Date | Event(s) | |
|---|---|---|
| January 8 | Vote for SpongeBob was released. | |
| January 23 | SpongeBob's Atlantis SquarePantis SquareOff was released. | |
| January 29 | The To Love a Patty DVD was released. | |
| March 3 | "Krabby Road" premiered. | |
| March 4 | "Not Normal" premiered. | |
| March 5 | "Gone" premiered. | |
| March 6 | "Suction Cup Symphony" premiered. | |
| March 7 | "Penny Foolish" premiered. | |
| March 13 | SpongeBob SquarePants gets picked up for a 7th season. | |
| March 29 | "Nautical Novice" and "Spongicus" premiered. | |
| April 11 | "Pest of the West" premiered. | |
| April 15 | Sea Horse Riding Made Easy, Spurskate, Saloon Door Sorrows, and Yokel to Tough Guy premiered. SpongeBob's Pest of the West was released. | |
| May 1 | The SpongeBob SquarePants Series became 9 years old. | |
| June 2 | "The Splinter" premiered. | |
| June 3 | "Giant Squidward" premiered. | |
| June 4 | "A Life in a Day" premiered. | |
| June 5 | "Sun Bleached" premiered. | |
| June 6 | "House Fancy" premiered. | |
| June 29 | Nicktoons: Android Invasion was released. | |
| July 10 | "Help Wanted," "Reef Blower," "Tea at the Treedome," "Bubblestand," "Ripped Pants," "Jellyfishing," "Plankton!," "Naughty Nautical Neighbors," and "Boating School" premiered in Poland thus marking the premiere of SpongeBob SquarePants in that country. | |
| July 11 | "Pizza Delivery," "Home Sweet Pineapple," "Mermaid Man and Barnacle Boy," and "Pickles" premiered in Poland. | |
| July 14 | "Hall Monitor," "Jellyfish Jam," "Sandy's Rocket," and "Squeaky Boots" premiered in Poland. "Not Normal" and "Gone" premiered in Norway. | |
| July 15 | "Nature Pants," "Opposite Day," "Culture Shock," and "F.U.N." premiered in Poland. | |
| July 16 | "MuscleBob BuffPants," "Squidward the Unfriendly Ghost," "The Chaperone," and "Employee of the Month" premiered in Poland. | |
| July 17 | "Scaredy Pants," "I Was a Teenage Gary," "SB-129," and "Karate Choppers" premiered in Poland. | |
| July 18 | "Sleepy Time," "Suds," "Valentine's Day," and "The Paper" premiered in Poland. | |
| July 21 | "Arrgh!," "Rock Bottom," "Texas," and "Walking Small" premiered in Poland. "The Splinter" and "Slide Whistle Stooges" premiered in Norway. | |
| July 22 | "Fools in April," "Neptune's Spatula," "Hooky," and "Mermaid Man and Barnacle Boy II" premiered in Poland. | |
| July 23 | "Your Shoe's Untied," "Squid's Day Off," "Something Smells," and "Bossy Boots" premiered in Poland. | |
| July 24 | "Big Pink Loser," "Bubble Buddy," "Dying for Pie," and "Imitation Krabs" premiered in Poland. | |
| July 28 | "Grandma's Kisses" and "Squidville" premiered in Poland. "A Life in a Day" and "Sun Bleached" premiered in Norway. | |
| July 30 | "No Free Rides" and "I'm Your Biggest Fanatic" premiered in Poland. | |
| August 4 | "No Nose Knows" premiered. | |
| August 5 | "Patty Caper" premiered. Spongezilla Attacks! was released. | |
| August 6 | "Plankton's Regular" premiered. | |
| August 7 | "Boating Buddies" premiered. | |
| August 8 | "The Krabby Kronicle" premiered. | |
| September 9 | The WhoBob WhatPants? book and SpongeBob's Slap Shot were released. | |
| September 15 | Drawn to Life: SpongeBob SquarePants Edition was released in North America. | |
| September 25 | Drawn to Life: SpongeBob SquarePants Edition was released in Australia. | |
| September 26 | Drawn to Life: SpongeBob SquarePants Edition was released in Europe. | |
| September 27 | "Goo Goo Gas" and "Le Big Switch" premiered in the UK. | |
| October 8 | SpongeBob's Slap Shot was released. | |
| October 13 | "What Ever Happened to SpongeBob?" premiered. | |
| October 14 | Four shorts by the name of "What if SpongeBob Was Gone?" premiered. They are: Gary's version, Mr. Krabs' version, Patrick's version, and Sandy's version. WhoBob WhatPants? was released. | |
| October 16 | "Shanghaied" and "Gary Takes a Bath" premiered in Poland. | |
| October 20 | SpongeBob SquarePants featuring Nicktoons: Globs of Doom was released in North America. "Survival of the Idiots" and "Dumped" premiered in Poland. | |
| October 21 | "Mermaid Man and Barnacle Boy III" and "Squirrel Jokes" premiered in Poland. | |
| October 23 | SpongeBob SquarePants featuring Nicktoons: Globs of Doom was released in Australia. | |
| October 28 | "Graveyard Shift" and "Krusty Love" premiered in Poland. | |
| October 31 | SpongeBob SquarePants featuring Nicktoons: Globs of Doom was released in Europe. | |
| November 3 | Drawn to Life: SpongeBob SquarePants Edition was released in Japan. The Ultimate Box Set was released. | |
| November 8 | "Slide Whistle Stooges" premiered in the UK. | |
| November 10 | A marathon occurred that featured the following eight new episodes that premiered in Norway: "Friend or Foe," "Picture Day,"
"Pat No Pay," "BlackJack," "Blackened Sponge," "Mermaid Man vs. SpongeBob," "Giant Squidward," and "No Nose Knows" | |
| November 15 | "Welcome to the Chum Bucket" and "Frankendoodle" premiered in Poland. | |
| November 16 | "Prehibernation Week" and "Life of Crime" premiered in Poland. | |
| November 18 | Season 5 Volume 2 was released. | |
| November 28 | A marathon occurred that featured the following seven new episodes: "The Slumber Party," "Grooming Gary," "Porous Pockets," "Krusty Krushers," "The Card," "Dear Vikings," and "Ditchin'." | |
| December 1 | "Wormy" and "Patty Hype" premiered in Poland. | |
| December 22 | "Christmas Who?," "Sailor Mouth," and "Artist Unknown" premiered in Poland. | |
| December 25 | "Jellyfish Hunter" and "The Fry Cook Games" premiered in Poland. | |
| December 27 | "The Secret Box" and "Band Geeks" premiered in Poland. | |
| December 29 | "Squid on Strike" and "Sandy, SpongeBob, and the Worm" premiered in Poland. | |