Series: Shugo Chara!
Episode Number: 38
English Title: Key, Lock, He and I!
Romanji Title: Kī to Rokku to Aitsu to Atashi!
Kanji Title: キーとロックとアイツとあたし!
Airdate: June 28, 2008
Directed by: Susumu Tosaka
Written by: Kazuhiko Inukai
Preceeded by: Episode 037: Golden Prince! *Part II*
Followed by: Episode 039: Character Transformation! Platinum Royale!
Yukari tells Kairi to obtain the Humpty Lock from Amu. During a meeting, Kairi stares at Amu and the other Guardians believe he is in love with her. The next day, the Guardian Characters hold a secret meeting and El brings the lock with her. When Il and Yoru show up, a fight erupts. Amu and Kairi find Guardian Characters and Kairi obtains the lock. Tsukumo, who works under Yukari, steals the lock from Kairi and run off. Ikuto appears, praises Kairi for his good job, and going after Tsukumo. Amu attempts to Character Transforms, but cannot without the lock. Ikuto, as Black Lynx, catches up with Tsukumo and stops him. When Amu catches up, the lock and the Dumpty Key react. Ikuto tries to open the lock with the key, but Amu becomes scared and the lock rejects the key. Ikuto returns the lock to Amu and leaves.