Watch anime online, stream anime episodes online for free.Watch Avatar the last airbender Book 3 Fire Episode 10 English version online and free episodes. Anime Episode guide, Chapter Avatar the last airbender Book 3 Fire Episode 10 The Day of Black Sun Part 1: The Invasion On the day of the solar eclipse, many of the characters from the previous episodes reunite with the gang to help them fight and the invasion begins. Hakoda returns with a ragtag team of several allies whom the group has met during their adventures. They successfully infiltrate the Fire Nation capital as the invasion force breaks through many security barriers. Upon reaching the Fire Lord’s palace, the eclipse begins, but Aang finds no one home.