<Tr> <Td_colspan="8"> The group breaks into the Earth King's palace to warn Kuei about the War, which the Dai Li kept hidden from him . They eventually convince Earth King Kuei by showing him the destroyed Fire Nation drill and Long Feng is arrested for treason . Meanwhile, Zuko succumbs to an illness which Iroh calls a metamorphosis caused by his conflicting destiny and is haunted by nightmares . Elsewhere, Azula and her cohorts infiltrate the city, disguised as the Kyoshi warriors . </Td> </Tr> <Tr> <Th> 39 </Th> <Td> 19 </Td> <Td> "The Guru" </Td> <Td> DR Movie </Td> <Td> Giancarlo Volpe </Td> <Td> Michael Dante DiMartino Bryan Konietzko </Td> <Td> December 1, 2006 (2006 - 12 - 01) </Td> <Td> 219 </Td> </Tr> <Tr> <Td_colspan="8"> After the group receives letters that were confiscated by Long Feng, Aang meets Guru Pathik, who trains him to master the Avatar State through the unlocking of chakras . Toph is captured by Xin Fu and Master Yu, who attempt to transport her back to her parents, but she escapes by developing metalbending . Long Feng is tricked into a deal with Azula where he will exchange Aang for control of the Dai Li . Aang unlocks all chakras but the seventh and last, which requires giving up all earthly attachments, which turns out to be his genuine and intense romantic love and affections for Katara . Failing to abandon his strong romantic attachment to Katara, Aang sees a vision of her in danger and leaves his training against the Guru's wishes . </Td> </Tr> <Tr> <Th> 40 </Th> <Td> 20 </Td> <Td> "The Crossroads of Destiny" </Td> <Td> JM Animation </Td> <Td> Michael Dante DiMartino </Td> <Td> Aaron Ehasz </Td> <Td> December 1, 2006 (2006 - 12 - 01) </Td> <Td> 220 </Td> </Tr>

Season 2 episodes of avatar the last airbender