Hero Circle (Korean: 히어로 써클) is a South Korean aeni produced by Studio TNT and studio NODE with support from the Educational Broadcasting System.[1][2][3][4][5] In South Korea, it aired on EBS1 every Monday and Tuesday at 5:45 pm, beginning on June 29, 2020. It aired on Tooniverse every Wednesday at 6 pm, starting on July 29, 2020.[6] Other cable channels, such as JEI Jaeneung TV, broadcast the series every Friday. In November 2020, Meta Media Entertainment was appointed as the worldwide distributor for the series.[7][8][9][10] On December 18, 2021, the series began airing at 2 pm every Saturday and Sunday on NET in Indonesia.[11][12] In 2022, the series was broadcast on Cartoon Club in Thailand as แก๊งป่วนก๊วนฮีโร่ ("The Hero Gang").[13] Season 2 was first broadcast on June 29, 2022, airing every Wednesday at 7 pm, but due to EBS's fall 2022 reorganization, it was aired every Wednesday at 5:30 pm.[14][15] EBS1 and 2 aired the series until April 1, 2023.