Episode 20 Episode 1 Episode 2 Episode 3 Episode 4 Episode 5 Episode 6 Episode 7 Episode 8 Episode 9 Episode 10 Episode 11 Episode 12 Episode 13 Episode 14 Episode 15 Episode 16 Episode 17 Episode 18 Episode 19 Episode 20 Episode 21 Episode 22 Episode 23 Episode 24 Watch Battle Through the Heavens 4th Season - Episode 20 Online Aired: Mar 28, 2021 to Aug 29, 2021 TV - (Finished Airing)