The following is a list of events, premieres, releases, cancellations, series endings, and other business ventures for Nickelodeon in 2020.
- Avatar: The Last Airbender (live-action series) (Netflix)
- Santiago of the Seas
- Glitch Techs
- Kamp Koral
- The Wonderful Wonder Park
- February 25 - The Legend of Korra: Ruins of the Empire - Part Three
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