ECT (an abbreviation of Extra Celestial Transmission) is a British television music programme dedicated to hard rock and metal music genres. Ten episodes were broadcast on Channel 4 between 12 April 1985 and 14 June 1985. It aired on Friday evenings (17:30 to 18:10) as part of Channel 4's Friday Zone that also included Paintbox (18:10 to 18:20) and Soul Train (18:20 to 19:00). It preceded two other UK TV programmes aimed at fans of rock and heavy metal: Power Hour (1988–90) and Raw Power (1990-93).