Portal:Cartoon Network/Selected anniversaries/March
- March 2, 2000 – I Am Weasel finishes airing on Cartoon Network
- March 17, 1997 – Toonami debuts on Cartoon Network
- March 23, 2012 – Ben 10: Destroy All Aliens, a computer-animated science fiction action film premieres
- March 25, 2005 – The Powerpuff Girls finishes airing on Cartoon Network
- March 30, 2007 – Billy & Mandy's Big Boogey Adventure, a television film of The Grim Adventures of Billy & Mandy airs