TV Asahi, formerly known as NET until April 1, 1977, is a Japanese TV channel which currently airs the Super Hero Time programming block, consisting of the Toei tokusatsu superhero franchises Kamen Rider and Super Sentai, from 7:30AM to 8:30AM on Sunday mornings. The Super Hero Time branding officially began in 2003 while the two franchises started airing together in 2000 with the start of the Heisei era Kamen Rider Series.
Super Sentai has always aired on TV Asahi since it started with Himitsu Sentai Gorenger, back when the channel was still known as NET. The Showa era Kamen Rider Series however was less consistent with what channel it aired on. TV Asahi also aired the Metal Hero Series starting from 1982 until its retirement in 1999.