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Miguzi was a registered trademark of Cartoon Network and a television cartoon block that premiered on April 19, 2004. block was themed around Erin, a girl who finds refuge within the confines of a strange spaceship that is trapped underwater and inhabited by aquatic creatures. Not surprisingly, this lighter-toned action block was from Williams Street, the producers of late-night programming block Adult Swim and Toonami, a block of programming which Miguzi replaced in the weekday-afternoon timeslot. Toonami moved to Saturday nights. Miguzi changed its shows often. The block was between 5-7pm (later 4-6pm).

As of fall 2007, Miguzi is no longer on the Cartoon Network lineup and was replaced by Master Control, an interactive block.