Attack On Titan - Season 1 - Episode 3 - A Dim Light Amid Despair: Humanity's Comeback, Part 1 [English Subbed]

Summary :- After a brutal introduction to their commandant Keith Sadies, the cadets learn of Eren's past and his dreams. Eren later finds difficulty training with ODM gear, though with some motivation from his new friends he is able to overcome his struggle. The commandant later reveals that his belt was somehow broken, and Eren finds no difficulty training with functional gear.