Let Me Play Sai!
Ogata walks in on Hikaru and Koyo's conversation and overhears Hikaru mentioning Sai. Convinced that Hikaru knows Sai, Ogata confronts Hikaru and begs him to let him play Sai. Just when Hikaru thinks things can't get any worse, Akira shows up as well. With all of the accusations going on, will Hikaru be able to keep Sai's identity a secret?
Aired 13/11/2002EP 57 - Let Me Play Sai!

2001
Hikaru no Go
With a two-tone hairstyle and a streak of immaturity, Hikaru Shindou finds an old Go board with a hidden surprise - trapped within the Go Board is Fujiwara-no-Sai, the ghost of an ancient Go master! In the blink of an eye, Sai becomes part of Hikaru's consciousness and soon begins to learn the true essence behind this ancient game of skill and strategy.
(Source: VIZ Media)