Episode 0 or Episode Zero may refer to:

Film and television Episode 0: The First Contact, a 2002 television special Ichi the Killer: Episode 0, a 2002 original video animation Girls in Trouble: Space Squad Episode Zero, a 2017 film Mashin Sentai Kiramager Episode Zero, a 2020 film Karmachakra, an Indian animated film also known as Karmachakra: Episode Zero Strong World: Episode 0, a 2009 original video animation based on the television series One Piece Un-Go Episode 0: Inga Chapter, a 2011 film based on the television series Un-Go

Other media "Episode.0", a 2011 song by Gackt Mobile Suit Gundam Wing: Episode Zero, a 1997 manga series Sakura Wars V Episode 0, a 2004 video game Ultraseven Episode: 0, a 2002 novel based on the series Heisei Ultraseven White Knight Chronicles Episode 0: Dogma War Chronicles, a 2008 manga based on the video game White Knight Chronicles

See also Episode 1 (disambiguation)