After being shot by Azula's lethal lightning attack, Aang falls into a deep slumber. Escape from the Spirit World explains that while Aang's mind and body were immobile, his soul was trapped in the Spirit World. He encounters Princess Yue, the Moon Spirit, who informs him that if he does not reconnect with his past four lives, the Avatar Cycle will end.
The Legend Continues is a ten-minute-long recap episode of “Avatar: The Last Airbender” narrated by Mae Whitman, the voice of Katara. In this recap, Katara retells some of the events that have occurred in Aang's journey in “Book Two: Earth”. It served as an introduction to the “Book Three: Fire” premiere, “The Awakening”, which aired after it.
“The Legend So Far” is an eleven-minute-long recap episode of “Avatar: The Last Airbender” narrated by James Garrett, the voice of Avatar Roku. In this recap, Roku retells some of the events that have occurred in Aang's journey before episode eighteen, “The Waterbending Master”, and provides a sneak peek of the episodes still to come. It served as an introduction to the three-part Book One finale, which began with the episode “The Waterbending Master”.