February 18 is the 49th day of the year in the Gregorian calendar. There are 316 days remaining. (317 in leap years)
- 2009: "Grandpappy the Pirate" premiered.
- 2011: SpongeBob Marbles & Slides was updated for the fifth time.
- 2013: Disorder in the Deep was released.
- 2015: The SpongeBob Movie: Sponge Out of Water was released in France.
- February 18 on Wikipedia