sentences:  In the Series 3 story, "The Gift", Clyde Langer (Daniel Anthony) called Mr Smith through K9 (voiced by John Leeson).In Series 1, Mr Smith's main screen displays a crystal-like visualisation when idle.While Mr Smith allowed his sinister intentions to manifest at the end of the first series, the crystal shape that rotated, grew, and shrunk on his screen on a black background, turned green in some places and black in others.