It told the story of Omi, Kimiko Tohomiko, Raimundo Pedrosa and Clay Bailey, as they study to become Xiaolin monks, retrieve mystical artifacts known as Shen Gong Wu, and protect the world from 1,500 years of darkness by defeating villains known as the Heylin.
Xiaolin Showdown was one of Kids' WB's best performing television series, ranking among the top 10 overall programs for Saturday morning cartoons, coming in at No.
The project consisted of merchandise, web video and a social gaming website themed around environmentalism; Hui claimed in an interview that a tree would be planted for each Hulala doll sold in 2007.
Due to the closing of Kids' WB in 2008 and the network still owning copyright over many of its properties, production of the series was split between Canada and France.
In the description, Hui described the planned series to go deeper into Xiaolin history, answering longtime questions, and developing the universe further.
[14] In 2022, Hui authored and published a historical middle grade fiction book called Flying Fillies: The Sky's the Limit.