April 21 is the 111th day of the year (112th in leap years) in the Gregorian calendar. There are 254 days remaining.
- 2017: "Burst Your Bubble" premiered in Latin America.
- 2018:
- "Sanitation Insanity" was released on Amazon Prime.
- "Sanitation Insanity" and "Bunny Hunt" premiered in France and Latin America.
- "Squid Noir" and "Scavenger Pants" premiered in France.
- "Mimic Madness" and "House Worming" premiered in Japan.
- 2019: "Boating School" premiered in Bangladesh.
- 2020: "Plankton's Old Chum" premiered in Australia and New Zealand.
External links
- April 21 on Wikipedia