Timeline:2009

Series information
Year:	2009
Season(s):	5 (until July 19) 6 7 (starting July 19)
Chronology
Episodes premiered:	32
Previous:	2008
Next:	2010

2009 (MMIX) was a common year of the Gregorian calendar that started on a Thursday.

The year that celebrated the show's 10th anniversary which is "Truth or Square". And aired the final episode of season 5, the second half of the 6th season and very early episodes in season 7. 

"Goo Goo Gas" is the only season 5 episode to air in this year.

Date	Event(s)
Unknown date	Glumly Squidward was released on Amazon Prime Video and iTunes. SpongeBob SquarePants Special Collection, Vol. 1, SpongeBob SquarePants Special Collection, Vol. 2, SpongeBob SquarePants, iSponge Offer Pack, Nickelodeon Holly Jolly Holiday Specials, Nickelodeon Hot Picks! & Nickelodeon Summer Pack 2009 were released on iTunes.
January 1	"Club SpongeBob" and "My Pretty Seahorse" premiered in Poland.
January 4	"Pressure" and "The Smoking Peanut" premiered in Poland.
January 8	"Procrastination" and "I'm with Stupid" premiered in Poland.
January 10	"Dear Vikings" premiered in Germany. "Nasty Patty" and "Idiot Box" premiered in Poland.
January 15	"Mermaid Man and Barnacle Boy IV" and "Doing Time" premiered in Poland.
January 17	"Ditchin'" premiered in Germany.
January 18	"Wet Painters" and "Krusty Krab Training Video" premiered in Poland.
January 21	"As Seen on TV" and "Can You Spare a Dime?" premiered in Poland.
January 24	"Krusty Krushers" premiered in Germany. "Snowball Effect" and "One Krabs Trash" premiered in Poland.
January 27	The DVD, Spongicus, was released. "No Weenies Allowed" and "Squilliam Returns" premiered in Poland.
January 31	"The Card" premiered in Germany. "SpongeBob Meets the Strangler" and "Pranks a Lot" premiered in Poland. "Slide Whistle Stooges" premiered in Australia.
February 4	Lux Interior died.
February 5	"Krab Borg" and "Rock-a-Bye Bivalve" premiered in Poland.
February 6	"The Splinter" and "Slide Whistle Stooges" premiered in Latin America.
February 13	"A Life in a Day" and "Sun Bleached" premiered in Latin America.
February 16	"Shuffleboarding" and "Slide Whistle Stooges" premiered.
February 17	"Cephalopod Lodge" premiered.
February 18	"Grandpappy the Pirate" premiered.
February 19	"Professor Squidward" premiered.
February 20	"Giant Squidward" and "No Nose Knows" premiered in Latin America.
February 24	SpongeBob vs. The Big One: Beach Party Cook-Off, SpongeBob's Greatest Hits, and Good Ideas... and Other Disasters were released.
February 27	"Patty Caper" and "Plankton's Regular" premiered in Latin America.
March 3	SpongeBob vs. The Big One DVD was released. SpongeBob vs. The Big One: Beach Party Cook-Off was released. The Happy Squared Double Pack was released for the PlayStation 2.
March 10	Surf's Up SpongeBob! was released.
March 16	"Sand Castles in the Sand" premiered.
March 17	"Toy Store of Doom" premiered.
March 18	"Pet or Pests" premiered.
March 19	"Komputer Overload" premiered.
March 20	"Choir Boys" premiered.
March 30	"Patty Caper" premiered in Australia.
April 6	The Limited Edition 2 DVD Box Set was released in the UK.
April 10	"SpongeBob SquarePants vs. The Big One" premiered in Germany.
April 16	"SpongeBob SquarePants vs. The Big One" premiered in Latin America.
April 17	"SpongeBob SquarePants vs. The Big One" premiered.
April 19	"SpongeBob SquarePants vs. The Big One" premiered in Poland.
April 20	"SpongeBob SquarePants vs. The Big One" premiered in Canada.
April 22	SpongeBob & You Save the Big Blue, Educate and Activate, Educate and Activate 2, Separation Anxiety, Surfing Dreams, and SpongeBoard premiered.
April 24	"SpongeBob SquarePants vs. The Big One" premiered in Iberia.
May 1	The SpongeBob SquarePants series became 10 years old.
May 13	WhoBob WhatPants mobile game was released.
May 15	The Tom Kenny Collection was released on Amazon Prime Video and iTunes.
May 25	SpongeBob StarPants was released.
May 28	"Friend or Foe" premiered in Poland.
June 1	"Shell Shocked" premiered.
June 2	"Pineapple Fever" premiered.
June 3	"Single Cell Anniversary" premiered.
June 4	"Squid's Visit" premiered. Birth of Antonio Raul Corbo.
June 5	"Gullible Pants" premiered. "Boating Buddies" premiered in Latin America.
June 9	10 Happiest Moments, SpongeBob RoundPants, and Comic Crazy! were released.
June 11	"The Original Fry Cook" and "Night Light" premiered in Poland.
June 12	"The Krabby Kronicle" premiered in Latin America.
June 19	"The Slumber Party" premiered in Latin America.
June 23	Happiness to Go! was released.
June 25	"Rise and Shine," "Waiting," and "Fungus Among Us" premiered in Poland.
June 26	"Grooming Gary" premiered in Latin America.
July 6	"Porous Pockets" and "Choir Boys" premiered in Latin America.
July 7	"Krusty Krushers" and "The Card" premiered in Latin America.
July 9	"Dear Vikings" and "Ditchin'" premiered in Latin America. "Spy Buddies," "Boat Smarts," and "Good Ol' Whatshisname" premiered in Poland.
July 10	"Grandpappy the Pirate" and "Cephalopod Lodge" premiered in Latin America. "What Ever Happened to SpongeBob?" premiered in Poland.
July 14	"Shuffleboarding" and "Professor Squidward" premiered in Latin America.
July 15	"Gullible Pants" and "Overbooked" premiered in Latin America.
July 16	"No Hat for Pat" and "Toy Store of Doom" premiered in Latin America.
July 17	"To SquarePants or Not to SquarePants" premiered. The Ultimate SpongeBob SpongeBash began. "What Ever Happened to SpongeBob?" premiered in Latin America.
July 18	"Chum Caverns" premiered.
July 19	The Ultimate SpongeBob Sponge Bash ended. "Goo Goo Gas," "No Hat for Pat," "I ♥ Dancing," "Someone's in the Kitchen with Sandy," "Chum Bucket Supreme," "Growth Spout," "Tentacle-Vision," "The Inside Job," "Stuck in the Wringer," and "Overbooked" premiered. "What Ever Happened to SpongeBob?" premiered in Germany.
July 20	Season 7 release on iTunes.
July 21	The DVD, To SquarePants or Not to SquarePants, was released.
July 23	"New Digs" and "Krabs à la Mode" premiered in Poland.
July 27	"Grandpappy the Pirate" and "Cephalopod Lodge" premiered in Germany.
July 28	"Squid's Visit" and "To SquarePants or Not to SquarePants" premiered in Germany.
July 29	"Shuffleboarding" and "Professor Squidward" premiered in Germany.
July 30	"Pet or Pests" and "Komputer Overload" premiered in Germany.
July 31	"Squid's Visit" and "To SquarePants or Not to SquarePants" premiered in Canada. "Gullible Pants" and "Overbooked" premiered in Germany.
August 6	"Roller Cowards" and "Bucket Sweet Bucket" premiered in Poland.
August 27	"Money Talks," "SpongeBob vs. The Patty Gadget," and "Slimy Dancing" premiered in Poland.
September 3	Comic Crazy! was released.
September 4	"House Fancy" and "Krabby Road" premiered in Canada.
September 8	The Great Escape was released.
September 10	"The Krusty Sponge" and "Sing a Song of Patrick" premiered in Poland.
September 12	"Sand Castles in the Sand" and "Shell Shocked" premiered in Latin America.
September 16	"Grandpappy the Pirate" and "Cephalopod Lodge" premiered in Canada.
September 22	The First 100 Episodes was released.
September 27	"Pineapple Fever" and "Chum Caverns" premiered in Latin America.
September 30	Nickelodeon Japan shuts down on the same day Nickelodeon changed their logo internationally due to declining viewership. So after the channel was removed from the air, the series moved to Animax and NHK.
October 1	"Goo Goo Gas" and "Le Big Switch" premiered in Poland.
October 4	"No Hat for Pat," "Toy Store of Doom," "Sand Castles in the Sand," and "Shell Shocked" premiered in Germany.
October 12	SpongeBob Diner Dash was released.
October 15	"Atlantis SquarePantis, Part 2" premiered in Poland.
October 19	FrankenBob's Quest and FrankenBob's Quest Pt 2 were released on Nick.com
October 24	"The Curse of Bikini Bottom" premiered.
October 26	The SpongeBob's Truth or Square video game and the arcade version was released in North America. SpookTacular was released on iTunes.
October 29	"Blackened Sponge" and "Mermaid Man vs. SpongeBob" premiered in Poland.
November 5	"Atlantis SquarePantis, Part 1" premiered in Poland.
November 6	"Truth or Square" premiered. "Squid's Visit" and "To SquarePants or Not to SquarePants" premiered in Latin America.
November 9	"Truth or Square" premiered in the UK and Ireland.
November 10	The DVD, SpongeBob's Truth or Square was released. "Pineapple Fever" premiered in the UK and Ireland.
November 11	"Chum Caverns" premiered in the UK and Ireland.
November 12	"Tentacle-Vision" premiered in the UK and Ireland.
November 13	"I ♥ Dancing" premiered in the UK and Ireland.
November 14	"Truth or Square" premiered in Poland.
November 20	"Truth or Square" premiered in Canada.
November 26	"Truth or Square" premiered in Latin America. "The Inmates of Summer" and "To Save a Squirrel" premiered in Poland.
November 27	"Model Sponge" and "Greasy Buffoons" premiered.
December 3	"Pest of the West" premiered in Poland.
December 5	"Truth or Square" premiered in Germany.
December 8	Balloons, Juice Man, Traffic, and The Outfit premiered. Season 6 Volume 1 was released.
December 10	"20,000 Patties Under the Sea" and "The Battle of Bikini Bottom" premiered in Poland.
December 17	"The Two Faces of Squidward" and "SpongeHenge" premiered in Poland.
December 25	"Chum Bucket Supreme" and "Single Cell Anniversary" premiered in Germany.
December 26	Merry Mayhem! and Jingle Brawl was originally released on Nick.com.
December 31	"Pet or Pests" and "Komputer Overload" premiered in Latin America. "Banned in Bikini Bottom" and "Stanley S. SquarePants" premiered in Poland.