A Screen Bug or Digital on-screen graphic is a watermark-like station logo that many television broadcasters overlay over a portion of the screen-area of their programs to identify the channel. They are thus a form of permanent visual station identification, increasing brand recognition and asserting ownership of the video signal. Sometimes, it appears on a commercial mainly because of a system error.

Nickelodeon Screen Bugs

Nicktoons Screen Bugs

As Nicktoons TV (2002-2003)

As Nicktoons (2003-2005; first run)

As Nicktoons Network (2005-2009)

As Nicktoons (2009-present; second run)

Nick GaS Screen Bugs

TeenNick/TheN/NickSplat Screen Bugs

Teennick KCA 2015 logo bug

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