Various arrangements for outputting a customized video mosaic are presented. Based on received user input, it may be determined that a customized video mosaic is to be output for presentation. A plurality of television channels to be presented as part of the customized video mosaic may be determined. One or more tuners may be tuned based on the determined plurality of television channels to be presented. The plurality of television channels may be output for presentation to a presentation device. Each of these television channels may be presented by the presentation device as live video simultaneously as part of the customized video mosaic.