2020 was the first year of the 2020s decade.
- March 17, 2020: The Flash is released in theaters.
- April 3, 2020: Cyborg is released in theaters.
- May 3, 2020: Cartoon Network airs the first episode of Dexter Laboratory (2020 Reboot)
- May 26, 2020: British Band 'Gorillaz' releases their sixth studio album 'The Norillaz' featuring Treddie Redd, Justin Bieber, Kendrick Lamar and Katy Perry.
- May 28, 2020: The last episode of Steven Universe is aired on Cartoon Network.
- June 3, 2020: The Jeddah Tower in Jeddah, Saudi Arabia is finished.
- July 17, 2020:
- The Spongebob Movie 3 is released in theaters.
- The Bob's Burgers Movie is released in theaters.
- August 5, 2020: American rapper Trippie Redd releases his second studio album LIFE'S A TRIP 2.
- September 14, 2020: Miami Rapper Lil Pump releases his third studio album, Pumpin'. He features Rappers Smokepurpp, 6ix9ine and Lil Uzi Vert.
- September 18, 2020: The Croods 2 released in theaters.
- November 3, 2020: The 2020 U.S. Presidential and other elections are held.
- Presidential Election: Kamala Harris (D-CA) and Tulsi Gabbard (D-HI) defeat the Incumbents Donald J. Trump (R-NY) and Michael R. Pence (R-IN)
- November 15, 2020: Sony releases the PlayStation 5 for $399.
- December 25, 2020: Sing 2 released in theaters.