Episode 10: Doubt
Original Air Date: December 5, 2006
English Air Date: December 23, 2007
Directed By: Oyunamu
Written By: Yasuko Kobayashi
In a bid to profile Light's behavior, L challenges him to a game of tennis. L asks him some questions regarding the Kira case and invites him to help in the investigation.
The two then receive news that Soichiro Yagami has had a heart attack and is in the hospital. Light promises to his father that he will make sure Kira is caught and executed for making him suffer.