REBORN! Season 1 Episode 10 Gahaha! The Exploding Lunch Box!

Tsuna forgets his lunch at his house and Lambo ends up taking it to him. When Lambo bumps into I-Pin, who is carrying nitroglycerine to her master, a mix-up of packages results in a riot at school! Tired of Lambo causing embarrassment and trouble, Tsuna complains to Reborn, who unexpectedly tries to help Tsuna by seeking out a person who can take care of Lambo. But what's Reborn's real motive?