Digimon Adventure Episode: 16

Believing that danger and energy are the keys to evolution, Tai stuffs Agumon with food and then intentionally puts himself in harm's way to trigger a transformation.

Digimon Adventure - Episode 16 - Dark Evolution! SkullGreymon Digimon Adventure Episode 16

This episode is legendary for introducing "Dark Digivolution" and serves as a major lesson in leadership and pressure. Believing that danger and energy are the keys