Heat D of Robot Wars: The Second Wars was the fourth of twelve heats which determined the Semi-Finalists of Robot Wars: The Second Wars. The episode featuring Heat D was originally broadcast on November 27, 1998 on BBC Two. The broadcast managed to attract 5.94 million viewers, a decrease of ten thousand viewers when compared with the previous episode. According to BARB, this meant it ranked third in the top thirty highest rated BBC 2 broadcasts during 23-29 November, behind only The Simpsons and Have I Got News For You.