December 20 is the 354th day of the year (355th in leap years) in the Gregorian calendar. There are 11 days remaining.
- 2007: Nicktoons: Attack of the Toybots was released in Japan.
- 2012: SpongeBob Diner Dash was updated for the third time.
- 2017: "The Incredible Shrinking Sponge" premiered in Germany and Turkey.
- December 20 on Wikipedia