In the Digimon Adventure franchise, Episode 16 of both the original series and the 2020 reboot represent major turning points.

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.

Because Tai’s heart is filled with pride and force rather than true courage, Greymon undergoes a Dark Digivolution into SkullGreymon .