- Yukari Kokubun (Tsunayoshi Sawada (voice))
- NEEKO (Reborn (voice))
- Takashi Kondo (Kyoya Hibari (voice))
- Toshinobu Iida (Mukuro Rokudo (voice))
- Kenjiro Tsuda (Adult Lambo (voice))
- Yuka Terasaki (Basil (voice))
- Junko Takeuchi (Lambo (voice))
- Satomi Akesaka (Chrome Dokuro (voice))
- Suguru Inoue (Takeshi Yamamoto (voice))
- Hidenobu Kiuchi (Ryohei Sasagawa (voice))
- Daisuke Namikawa (Giotto (voice))
REBORN! — S1E12
Episode: Training Teacher! Strengthening Program
Air Date: 2006-12-13
Runtime: 25 min
Overview
Reborn strengthens the abilities of Gokudera and Yamamoto through specially made "training programs", which appears to be more than an exercise course. When he discovers that Reborn and Tsuna seem to be paying more attention to Yamamoto, however, Gokudera feels left out.