Explosive Evolution! Greymon

'''Explosive Evolution! Greymon' (爆裂進化! グレイモン, Bakuretsu Shinka! Gureimon) is the second episode of the TV anime series Digimon Adventure''.

Summary
The children find themselves at a beach, where they find non-functioning telephone booths. Hoping to find a way home, they are suddenly attacked by a Shellmon. Agumon is the only Digimon capable of fighting due to eating, and when Taichi is captured by Shellmon, Agumon evolves into Greymon and throws Shellmon into the ocean.

Trivia

 * In the English version the episode was renamed "The Birth of Greymon"