Heat K of Robot Wars: The Second Wars was the eleventh of twelve heats which determined the Semi-Finalists of Robot Wars: The Second Wars. The episode featuring Heat K was originally broadcast on February 5, 1999 on BBC Two. The broadcast made three Robot Wars ratings records; firstly, it managed to attract 6.13 million viewers, making it the first to not only top six million viewers, but also managed to beat the previous record holder, Heat C, by 180,000 viewers. According to BARB, the episode also became the first to top the thirty highest rated weekly programmes on BBC 2, during 1-7 February.