S1, E2: While rescuing Kyubey from being attacked by Homura, Madoka and Sayaka lose their way in a mysterious space. They find themselves in a desperate situation and are rescued by Mami Tomoe, a magical girl. Afterward, Mami invites them to her room. She speaks of what it means to have been chosen by Kyubey, the purpose of a magical girl, and the existence of witches. Of a chance to make any wish come true, and the cruel mission that waits. Mami suggests to the anxious two girls, Why don't you come with me to wipe out the witches.