Ep. 10: L challenges Light to tennis while investigating the Kira case and dealing with Soichiro Yagami's heart attack.
Aired on December 6, 2006

L engages Light in a tennis match to profile his behavior, questioning him about the Kira case and inviting collaboration. They receive news that Soichiro Yagami suffered a heart attack and is hospitalized. Light vows to his father to ensure Kira is caught and executed. As they leave, L scrutinizes Light, remaining unsure of his guilt. Light bluffs by demanding a month in a television-free prison cell to prove his innocence. L accepts this proposal with curiosity. Meanwhile, Sakura TV receives anonymous audio tapes from someone claiming to be Kira.
Episodes
- Ep. 6 · L meets detectives under false identities while Light confronts Penber's fiancée Maki.
- Ep. 7 · Light deceives Naomi Misora into suicide while Penber's fiancée remains hidden
- Ep. 8 · Light evades detection by using a hidden TV in a chip bag to fake alibi while L narrows suspect list.
- Ep. 9 · Light meets the eccentric student who introduces himself as Hideki Ryuga during college exams.
- Ep. 10 · L challenges Light to tennis while investigating the Kira case and dealing with Soichiro Yagami's heart attack.
- Ep. 11 · Kira's New Method and Light's Strategic Decision to Join the Investigation
- Ep. 12 · L interrogates Light using audio evidence to clear his name while Misa is tricked into revealing Death Note secrets.
- Ep. 13 · Light and Misa investigate Aoyama while Misa discovers Light is Kira.
- Ep. 14 · Light uses Misa to mislead L while Rem threatens him to protect her.