[s1e5] The King Of Omashu Site

: Aang chooses to fight the King himself, who reveals himself to be a powerful and creative earthbender.

: After the trio is arrested for "vandalizing" the delivery system while using it as a slide, the King of Omashu puts Aang through three trials to save Sokka and Katara from being encased in "creeping crystal".

: Aang must retrieve a key from a waterfall while being bombarded with rocks.

: Aang is told to find and catch a "beast" named Flopsy. He initially chases a small rabbit-like creature before realizing the massive, frightening animal nearby is actually the friendly Flopsy. Major Characters & Revelations

: This episode marks the first appearance of this recurring character, whose cart is destroyed during Aang's mail chute ride.

: Initially appearing as a "mad" old man, he is actually Bumi , Aang's best friend from 100 years ago.

In the fifth episode of Book One, titled " The King of Omashu ," Aang and his friends visit the Earth Kingdom city of Omashu, where Aang is forced into a series of deadly trials by an eccentric king who eventually reveals himself to be Aang's childhood friend. Episode Overview

: After revealing his identity, Bumi tells Aang he must master all four elements to defeat Fire Lord Ozai, but also warns him to find a teacher who "waits and listens before striking".