2009

Events that happened in the year 2009.

• Prev: 2008
• Next: 2010

February

• 16-The episodes Slide Whistle Stooges and Shuffleboarding aired.
• 17-The episode Cephalopod Lodge aired.
• 18-The episode Grandpappy the Pirate aired.
• 19-The episode Professor Squidward aired.

March

• 16-The episode Sand Castles in the Sand aired.
• 17-The episode Toy Store of Doom aired.
• 18-The episode Pet or Pests aired.
• 19-The episode Komputer Overload aired.
• 20-The episode Choir Boys aired.

April

• 17-The episode SpongeBob SquarePants vs. The Big One aired.

May

• 1-SpongeBob celebrated its tenth anniversary.

June

• 1-The episode Shell Shocked aired.
• 2-The episode Pineapple Fever aired.
• 3-
  • The episode Single Cell Anniversary aired.
  • "Sand Castles in the Sand" and "Shell Shocked" aired in regular order for the first time.
• 4- The episode Squid's Visit aired.
• 5-The episode Gullible Pants aired.

July

• 17-
  • The Ultimate SpongeBob SpongeBash begun.
  • The episode To SquarePants or Not to SquarePants aired as part of the Ultimate SpongeBob SpongeBash.
  • SpongeBob SquarePants celebrated its official 10th anniversary.
• 18-The episode Chum Caverns aired as part of the Ultimate SpongeBob SpongeBash.
• 19-The episodes Goo Goo Gas, Overbooked, No Hat for Pat, Chum Bucket Supreme, Tentacle-Vision, I ♥ Dancing, Growth Spout, Stuck in the Wringer, Someone's in the Kitchen with Sandy and The Inside Job aired as part of the Ultimate SpongeBob SpongeBash.

October

• 24-The episode The Curse of Bikini Bottom aired.

November

• 6-The TV movie Truth or Square aired.
• 27-The episodes Greasy Buffoons and Model Sponge aired.

Years