December 20 is the 354th day of the year (355th in leap years) in the Gregorian calendar. There are 11 days remaining.
- Plankton invents Karen
- 2002: "Welcome to the Chum Bucket" and "Frankendoodle" premiered in Canada.
- 2008: "Choir Boys" premiered in Germany, three months ahead of its American premiere.
- 2007: Nicktoons: Attack of the Toybots was released in Japan.
- 2012: SpongeBob Diner Dash was updated for the third time.
- 2016: "Food Con Castaways" and "Snail Mail" premiered in Italy.
- 2017: "The Incredible Shrinking Sponge" premiered in Germany and Turkey.
- 2018: "Goons on the Moon" premiered in Latin America.
- December 20 on Wikipedia
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