Hi,   Can you try this, for example for the "second line" ( getAt(1) ) ?:   Hide: UniChart1.JSInterface.JSCall('chart.series.getAt(1).hideAll', []);   UniChart1.JSInterface.JSCall('chart.redraw', []); Show: UniChart1.JSInterface.JSCall('chart.series.getAt(1).showAll', []);   UniChart1.JSInterface.JSCall('chart.redraw', []); Best regards,